What is steam.exe?

steam.exe is part of Steam Client Bootstrapper and developed by Valve Corporation according to the steam.exe version information.

steam.exe's description is "Steam Client Bootstrapper"

steam.exe is digitally signed by Valve.

steam.exe is usually located in the 'C:\Program Files (x86)\Steam\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about steam.exe.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on steam.exe:

PropertyValue
Product nameSteam Client Bootstrapper
Company nameValve Corporation
File descriptionSteam Client Bootstrapper
Internal namesteamcmd (buildbot_steam-relclient-win32-builder_steam_rel_client_win32@steam-relclient-win32-builder)
Original filenamesteam.exe
Legal copyrightCopyright (C) 2010 Valve Corporation
Product version01.00.00.01
File version05.46.90.21

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameSteam Client Bootstrapper
Company nameValve Corporation
File descriptionSteam Client Bootstrapper
Internal namesteamcmd (buildbot_steam-relclient-w..
Original filenamesteam.exe
Legal copyrightCopyright (C) 2010 Valve Corporation
Product version01.00.00.01
File version05.46.90.21

Digital signatures [?]

steam.exe has a valid digital signature.

PropertyValue
Signer nameValve
Certificate issuer nameDigiCert SHA2 Assured ID Code Signing CA
Certificate serial number054f466ceccbe9d6bee81f5435e64d47

VirusTotal report

None of the 70 anti-virus programs at VirusTotal detected the steam.exe file.

None of the 70 anti-virus programs detected the steam.exe file.

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

Successfully executed process in sandbox.

Summary

{
    "file_created": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\.crash",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs\\bootstrap_log.txt",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\.writable"
    ],
    "file_recreated": [
        "\\Device\\KsecDD"
    ],
    "regkey_written": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Valve\\Steam\\TempAppCmdLine",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Valve\\Steam\\SteamPID"
    ],
    "dll_loaded": [
        "kernel32",
        "api-ms-win-core-sysinfo-l1-2-1",
        "api-ms-win-core-localization-l1-2-1",
        "CFGMGR32.dll",
        "kernel32.dll",
        "UxTheme.dll",
        "C:\\Windows\\system32\\ole32.dll",
        "dwmapi.dll",
        "ntdll.dll",
        "cryptsp.dll",
        "api-ms-win-core-synch-l1-2-0",
        "winhttp.dll",
        "API-MS-WIN-Service-Management-L2-1-0.dll",
        "API-MS-WIN-Service-Management-L1-1-0.dll",
        "C:\\Windows\\syswow64\\MSCTF.dll",
        "api-ms-win-appmodel-runtime-l1-1-1",
        "user32",
        "OLEAUT32.DLL",
        "SspiCli.dll",
        "advapi32.dll",
        "cryptbase.dll",
        "psapi.dll",
        "SHLWAPI.dll",
        "ext-ms-win-kernel32-package-current-l1-1-0",
        "credssp.dll",
        "API-MS-WIN-Service-winsvc-L1-1-0.dll",
        "IPHLPAPI.DLL",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\crashhandler.dll",
        "RPCRT4.dll",
        "ole32.dll",
        "NSI.dll",
        "C:\\Windows\\system32\\uxtheme.dll",
        "api-ms-win-core-fibers-l1-1-1",
        "ADVAPI32.dll",
        "WS2_32.dll"
    ],
    "file_failed": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\Steam.cfg",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\steam_client_win32.manifest",
        "\\??\\GDPERF",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\public\\steambootstrapper_english.txt",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs\\bootstrap_log.txt",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\steam.cfg",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\beta",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\steam_client_win32.installed"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\LsaExtensionConfig\\SspiCli",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{8613E14C-D0C0-4161-AC0F-1DD2563286BC}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{C1EE01F2-B3B6-4A6A-9DDD-E988C088EC82}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F25E9F57-2FC8-4EB3-A41A-CCE5F08541E6}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{81D4E9C9-1D3B-41BC-9E6C-4B40BF79E35E}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\KnownClasses",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{AE6BE008-07FB-400D-8BEB-337A64F7051F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Valve\\Steam",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{E429B25A-E5D3-4D1F-9BE3-0C608477E3A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_CURRENT_USER\\Software\\Valve\\Steam",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Connections",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\DirectSwitchHotkeys",
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders\\SaslProfiles",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\LayoutIcon\\0409\\0000041d",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F89E9E58-BD2F-4008-9AC2-0F816C09F4EE}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\ee75a99af0d933cee3d67b5b83ab01dfe368b1288c479bf7ef55ce1ad49252e3.bin",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\Compatibility\\ee75a99af0d933cee3d67b5b83ab01dfe368b1288c479bf7ef55ce1ad49252e3.bin",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Ole",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{3697C5FA-60DD-4B56-92D4-74A569205C16}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{531FDEBF-9B4C-4A43-A2AA-960E8FCDC732}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Connections",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Wpad",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{A028AE76-01B1-46C2-99C4-ACD9858AE02F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_CURRENT_USER",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\",
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Class\\{4d36e972-e325-11ce-bfc1-08002be10318}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{07EB03D6-B001-41DF-9192-BF9B841EE71F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{03B5835F-F03C-411B-9CE2-AA23E1171E36}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp",
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{78CB5B0E-26ED-4FCC-854C-77E8F3D1AA80}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
        "HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
        "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Lsa\\SspiCache"
    ],
    "resolves_host": [
        "client-download.steampowered.com",
        "wpad",
        "media.steampowered.com"
    ],
    "file_written": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs\\bootstrap_log.txt"
    ],
    "file_deleted": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\.crash",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\.writable"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\.forceupdate",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs",
        "C:\\Users\\cuck\\AppData\\Local\\Temp",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\package",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\zip0.zip",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\steam_client_win32",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\.crash"
    ],
    "regkey_read": [
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Language Hotkey",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\TokenSize",
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Hotkey",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}\\Enable",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections\\DefaultConnectionSettings",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureRoutine",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\SecurityProviders\\SecurityProviders",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Wpad\\WpadOverride",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ShareCredsWithWinHttp",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing\\Enabled",
        "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Layout Hotkey",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureDll",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\CTF\\EnableAnchorContext",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Comment",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Name",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\DisableBranchCache",
        "HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\EnableAutoproxyResultCache",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Version",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\TurnOffSPIAnimations",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Capabilities",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\MaximumAllowedAllocationSize",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ProxySettingsPerUser",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections\\WinHttpSettings",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\RpcId",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Type"
    ],
    "directory_created": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\package",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs"
    ]
}

Dropped

[
    {
        "yara": [],
        "sha1": "da39a3ee5e6b4b0d3255bfef95601890afd80709",
        "name": "e3b0c44298fc1c14_.writable",
        "type": "empty",
        "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
        "urls": [],
        "crc32": "00000000",
        "path": "\/home\/hpuser\/.cuckoo\/storage\/analyses\/3435\/files\/e3b0c44298fc1c14_.writable",
        "ssdeep": null,
        "size": 0,
        "sha512": "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
        "md5": "d41d8cd98f00b204e9800998ecf8427e"
    },
    {
        "yara": [],
        "sha1": "02d2f4bec749df480befdae7ae59f95adc94d9c3",
        "name": "67e764e48aca5b43_bootstrap_log.txt",
        "filepath": "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs\\bootstrap_log.txt",
        "type": "ASCII text, with CRLF line terminators",
        "sha256": "67e764e48aca5b434e322b23fd95d0884a1fa84bbeb7322a1b29149fc21a08eb",
        "urls": [],
        "crc32": "77ED8646",
        "path": "\/home\/hpuser\/.cuckoo\/storage\/analyses\/3435\/files\/67e764e48aca5b43_bootstrap_log.txt",
        "ssdeep": null,
        "size": 1139,
        "sha512": "ea5cd3d033b2899589351cd0fc307012537c59df1c14a3ec257fcb6d698c0d56cb1a0e4a2d83b34a6d888110b49bd357c5a6716c67d1bc6a217fdf09f82bc02d",
        "pids": [
            1664
        ],
        "md5": "4c732db8a733440bfc3083771d3f6685"
    }
]

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\ee75a99af0d933cee3d67b5b83ab01dfe368b1288c479bf7ef55ce1ad49252e3.bin",
        "process_name": "ee75a99af0d933cee3d67b5b83ab01dfe368b1288c479bf7ef55ce1ad49252e3.bin",
        "pid": 1664,
        "summary": {
            "file_created": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\.crash",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs\\bootstrap_log.txt",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\.writable"
            ],
            "file_recreated": [
                "\\Device\\KsecDD"
            ],
            "regkey_written": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Valve\\Steam\\TempAppCmdLine",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Valve\\Steam\\SteamPID"
            ],
            "dll_loaded": [
                "kernel32",
                "api-ms-win-core-sysinfo-l1-2-1",
                "api-ms-win-core-localization-l1-2-1",
                "CFGMGR32.dll",
                "kernel32.dll",
                "UxTheme.dll",
                "C:\\Windows\\system32\\ole32.dll",
                "dwmapi.dll",
                "ntdll.dll",
                "cryptsp.dll",
                "api-ms-win-core-synch-l1-2-0",
                "winhttp.dll",
                "API-MS-WIN-Service-Management-L2-1-0.dll",
                "API-MS-WIN-Service-Management-L1-1-0.dll",
                "C:\\Windows\\syswow64\\MSCTF.dll",
                "api-ms-win-appmodel-runtime-l1-1-1",
                "user32",
                "OLEAUT32.DLL",
                "SspiCli.dll",
                "advapi32.dll",
                "cryptbase.dll",
                "psapi.dll",
                "SHLWAPI.dll",
                "ext-ms-win-kernel32-package-current-l1-1-0",
                "credssp.dll",
                "API-MS-WIN-Service-winsvc-L1-1-0.dll",
                "IPHLPAPI.DLL",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\crashhandler.dll",
                "RPCRT4.dll",
                "ole32.dll",
                "NSI.dll",
                "C:\\Windows\\system32\\uxtheme.dll",
                "api-ms-win-core-fibers-l1-1-1",
                "ADVAPI32.dll",
                "WS2_32.dll"
            ],
            "file_failed": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\Steam.cfg",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\steam_client_win32.manifest",
                "\\??\\GDPERF",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\public\\steambootstrapper_english.txt",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs\\bootstrap_log.txt",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\steam.cfg",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\beta",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\steam_client_win32.installed"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\LsaExtensionConfig\\SspiCli",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{8613E14C-D0C0-4161-AC0F-1DD2563286BC}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{C1EE01F2-B3B6-4A6A-9DDD-E988C088EC82}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F25E9F57-2FC8-4EB3-A41A-CCE5F08541E6}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{81D4E9C9-1D3B-41BC-9E6C-4B40BF79E35E}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\KnownClasses",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{AE6BE008-07FB-400D-8BEB-337A64F7051F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Valve\\Steam",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{E429B25A-E5D3-4D1F-9BE3-0C608477E3A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_CURRENT_USER\\Software\\Valve\\Steam",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Connections",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\DirectSwitchHotkeys",
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\SecurityProviders\\SaslProfiles",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\CTF\\LayoutIcon\\0409\\0000041d",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{F89E9E58-BD2F-4008-9AC2-0F816C09F4EE}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\ee75a99af0d933cee3d67b5b83ab01dfe368b1288c479bf7ef55ce1ad49252e3.bin",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\Compatibility\\ee75a99af0d933cee3d67b5b83ab01dfe368b1288c479bf7ef55ce1ad49252e3.bin",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{DCBD6FA8-032F-11D3-B5B1-00C04FC324A1}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Ole",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{3697C5FA-60DD-4B56-92D4-74A569205C16}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{531FDEBF-9B4C-4A43-A2AA-960E8FCDC732}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Connections",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\windows\\CurrentVersion\\Internet Settings\\Wpad",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{A028AE76-01B1-46C2-99C4-ACD9858AE02F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_CURRENT_USER",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\",
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Class\\{4d36e972-e325-11ce-bfc1-08002be10318}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{07EB03D6-B001-41DF-9192-BF9B841EE71F}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{03B5835F-F03C-411B-9CE2-AA23E1171E36}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp",
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{78CB5B0E-26ED-4FCC-854C-77E8F3D1AA80}\\Category\\Category\\{534C48C1-0607-4098-A521-4FC899C73E90}",
                "HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings",
                "HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Lsa\\SspiCache"
            ],
            "resolves_host": [
                "client-download.steampowered.com",
                "wpad",
                "media.steampowered.com"
            ],
            "file_written": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs\\bootstrap_log.txt"
            ],
            "file_deleted": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\.crash",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\.writable"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\.forceupdate",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs",
                "C:\\Users\\cuck\\AppData\\Local\\Temp",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\package",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\zip0.zip",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\package\\steam_client_win32",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\.crash"
            ],
            "regkey_read": [
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Language Hotkey",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\TokenSize",
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Hotkey",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\CTF\\TIP\\{0000897b-83df-4b96-be07-0fb58b01c4a4}\\LanguageProfile\\0x00000000\\{0001bea3-ed56-483d-a2e2-aeae25577436}\\Enable",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections\\DefaultConnectionSettings",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureRoutine",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\SecurityProviders\\SecurityProviders",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Wpad\\WpadOverride",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ShareCredsWithWinHttp",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\Tracing\\Enabled",
                "HKEY_CURRENT_USER\\Keyboard Layout\\Toggle\\Layout Hotkey",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\LsaExtensionConfig\\SspiCli\\CheckSignatureDll",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\CTF\\EnableAnchorContext",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Comment",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Name",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\WinHttp\\DisableBranchCache",
                "HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\EnableAutoproxyResultCache",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Version",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\TurnOffSPIAnimations",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Capabilities",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\MaximumAllowedAllocationSize",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ProxySettingsPerUser",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections\\WinHttpSettings",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\RpcId",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Lsa\\SspiCache\\credssp.dll\\Type"
            ],
            "directory_created": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\package",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\logs"
            ]
        },
        "first_seen": 1573354389.75,
        "ppid": 2448
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1573354389.3125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 5,
        "families": [],
        "description": "Checks if process is being debugged by a debugger",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 126,
                    "nt_status": -1073741515,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1573354389.859,
                    "tid": 2736,
                    "flags": {}
                },
                "pid": 1664,
                "type": "call",
                "cid": 62
            },
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 0,
                    "nt_status": -1073741511,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1573354389.89,
                    "tid": 2736,
                    "flags": {}
                },
                "pid": 1664,
                "type": "call",
                "cid": 192
            },
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 87,
                    "nt_status": -1073741811,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1573354389.937,
                    "tid": 1480,
                    "flags": {}
                },
                "pid": 1664,
                "type": "call",
                "cid": 496
            },
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 0,
                    "nt_status": -1073741772,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1573354394.218,
                    "tid": 2736,
                    "flags": {}
                },
                "pid": 1664,
                "type": "call",
                "cid": 892
            },
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 0,
                    "nt_status": -1073741772,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1573354394.218,
                    "tid": 2736,
                    "flags": {}
                },
                "pid": 1664,
                "type": "call",
                "cid": 893
            }
        ],
        "references": [],
        "name": "checks_debugger"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "c:\\buildslave\\steam_rel_client_win32\\build\\src\\steamexe\\Release\\steamexe.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The file contains an unknown PE resource name possibly indicative of a packer",
        "severity": 1,
        "marks": [
            {
                "category": "resource name",
                "ioc": "SCID",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_unknown_resource_name"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "misc",
                    "status": 1,
                    "stacktrace": [],
                    "api": "GetDiskFreeSpaceExW",
                    "return_value": 1,
                    "arguments": {
                        "root_path": "\\\\?\\C:\\Users\\cuck\\AppData\\Local\\Temp\\",
                        "free_bytes_available": 23510196224,
                        "total_number_of_free_bytes": 23510196224,
                        "total_number_of_bytes": 34252779520
                    },
                    "time": 1573354389.921,
                    "tid": 2872,
                    "flags": {}
                },
                "pid": 1664,
                "type": "call",
                "cid": 466
            }
        ],
        "references": [],
        "name": "antivm_disk_size"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Checks adapter addresses which can be used to detect virtual network interfaces",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "network",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 0,
                    "nt_status": -1073741772,
                    "api": "GetAdaptersAddresses",
                    "return_value": 111,
                    "arguments": {
                        "flags": 15,
                        "family": 0
                    },
                    "time": 1573354389.937,
                    "tid": 1480,
                    "flags": {}
                },
                "pid": 1664,
                "type": "call",
                "cid": 520
            }
        ],
        "references": [],
        "name": "antivm_network_adapters"
    }
]

Yara

The Yara rules did not detect anything in the file.

Network

{
    "tls": [],
    "udp": [
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 662,
            "time": 6.2178728580475,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5946,
            "time": 6.1547348499298,
            "dport": 5355,
            "sport": 49840
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6274,
            "time": 5.2780358791351,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6594,
            "time": 4.2088010311127,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6922,
            "time": 5.6333599090576,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7242,
            "time": 4.7564499378204,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7570,
            "time": 3.0623099803925,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7898,
            "time": 6.1545050144196,
            "dport": 5355,
            "sport": 55880
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8226,
            "time": 4.7472479343414,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 22258,
            "time": 4.2456569671631,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 30642,
            "time": 6.2566409111023,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "2d3dcc983e9277a1634a1c37d8fdacf2e5482da278c7b05677cdd3ab37338e36",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "0b5c8e9e21d9e2c73a5aa282e2d70073e01ca767925d4e7bdd60f671d3a8b48d",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandboxScreenshot from the sandbox

Other files also named steam.exe

steam.exe (3 votes)

Hashes [?]

PropertyValue
MD5c017c766e120ca2634dd686b30c6abd6
SHA256ee75a99af0d933cee3d67b5b83ab01dfe368b1288c479bf7ef55ce1ad49252e3

Error Messages

These are some of the error messages that can appear related to steam.exe:

steam.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

steam.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Steam Client Bootstrapper has stopped working.

End Program - steam.exe. This program is not responding.

steam.exe is not a valid Win32 application.

steam.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with steam.exe?

To help other users, please let us know what you will do with steam.exe:



Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


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Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

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