What is AF_un.exe?
AF_un.exe is part of trueEP and developed by truEP according to the AF_un.exe version information.
AF_un.exe's description is "trueEP Monitor"
AF_un.exe is digitally signed by TrueCut Security, Inc..
AF_un.exe is usually located in the 'c:\program files\truEP\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about AF_un.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 AF_un.exe:
| Property | Value |
|---|---|
| Product name | trueEP |
| Company name | truEP |
| File description | trueEP Monitor |
| Internal name | AF_un.exe |
| Original filename | AF_un.exe |
| Legal copyright | Copyright TrueCut Security, Inc |
| Product version | 2, 0, 19, 327 |
| File version | 2, 0, 19, 327 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | trueEP |
| Company name | truEP |
| File description | trueEP Monitor |
| Internal name | AF_un.exe |
| Original filename | AF_un.exe |
| Legal copyright | Copyright TrueCut Security, Inc |
| Product version | 2, 0, 19, 327 |
| File version | 2, 0, 19, 327 |
Digital signatures [?]
AF_un.exe has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | TrueCut Security, Inc. |
| Certificate issuer name | GlobalSign Extended Validation CodeSigning CA - SHA256 - G3 |
| Certificate serial number | 79c5fa7caeb569e872594589 |
VirusTotal report
None of the 72 anti-virus programs at VirusTotal detected the AF_un.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:\\20190630_UnInstall.txt"
],
"directory_created": [
"C:\\Windows\\Temp"
],
"dll_loaded": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\dfcd7e2c0ad57be36aa9358252ea8c47a7ad7c448ed790a156c9c8c3a82465b8ENU.dll",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\dfcd7e2c0ad57be36aa9358252ea8c47a7ad7c448ed790a156c9c8c3a82465b8LOC.dll",
"API-MS-Win-Core-LocalRegistry-L1-1-0.dll",
"kernel32.dll",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll",
"dwmapi.dll",
"SETUPAPI.dll"
],
"file_opened": [
"C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui",
"c:\\20190630_UnInstall.txt",
"C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
],
"file_copied": [
[
"C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_un.exe",
"C:\\Windows\\Temp\\AF_un.exe"
]
],
"regkey_opened": [
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
"HKEY_CLASSES_ROOT\\.dll",
"HKEY_CLASSES_ROOT\\dllfile",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\trueEP\\TC_Env\\tc_CLIENT",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\dllfile\\AutoRegister",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Network",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Comdlg32",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\trueEP\\tc_INSTALL",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\trueEP\\TC_Env\\tc_COMMUNICATION"
],
"file_written": [
"c:\\20190630_UnInstall.txt"
],
"file_exists": [
"c:\\20190630_UnInstall.txt",
"c:\\",
"C:\\Windows\\Temp"
],
"command_line": [
"\"C:\\Windows\\System32\\regsvr32.exe\" \/s \/u C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll",
"REGSVR32.EXE \/s \/u C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Setup\\SourcePath",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b5-70f9-11e8-b07b-806e6f6e6963}\\Generation",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\EnableLUA",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b6-70f9-11e8-b07b-806e6f6e6963}\\Generation",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\DevicePath",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\.dll\\(Default)",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b5-70f9-11e8-b07b-806e6f6e6963}\\Data",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b6-70f9-11e8-b07b-806e6f6e6963}\\Data",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en"
]
}Dropped
[
{
"yara": [],
"sha1": "35978228dcdcfc8158069c62a897838853cc657a",
"name": "a97d71041944085e_20190630_uninstall.txt",
"filepath": "C:\\20190630_UnInstall.txt",
"type": "ISO-8859 text, with CRLF, CR line terminators",
"sha256": "a97d71041944085e322d315bdb1a63b52d911aa21ab038f8713af176777114d8",
"urls": [],
"crc32": "B7A48549",
"path": "\/home\/hpuser\/.cuckoo\/storage\/analyses\/699\/files\/a97d71041944085e_20190630_uninstall.txt",
"ssdeep": null,
"size": 125,
"sha512": "b92fa898809fa302c87292d1653e5c834555bbf7d67a79df5bb5cb9e992a6e52c3a255f58bfbcc243ea3e87ff490dd7972c5ce34ab3f79b0540fb8167bf8566e",
"pids": [
1664
],
"md5": "738c15c3ca8c3da06da08e076a43ddbd"
}
]Generic
[
{
"process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\dfcd7e2c0ad57be36aa9358252ea8c47a7ad7c448ed790a156c9c8c3a82465b8.bin",
"process_name": "dfcd7e2c0ad57be36aa9358252ea8c47a7ad7c448ed790a156c9c8c3a82465b8.bin",
"pid": 1664,
"summary": {
"file_created": [
"c:\\20190630_UnInstall.txt"
],
"directory_created": [
"C:\\Windows\\Temp"
],
"dll_loaded": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\dfcd7e2c0ad57be36aa9358252ea8c47a7ad7c448ed790a156c9c8c3a82465b8ENU.dll",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\dfcd7e2c0ad57be36aa9358252ea8c47a7ad7c448ed790a156c9c8c3a82465b8LOC.dll",
"API-MS-Win-Core-LocalRegistry-L1-1-0.dll",
"kernel32.dll",
"dwmapi.dll",
"SETUPAPI.dll"
],
"file_opened": [
"c:\\20190630_UnInstall.txt",
"C:\\Windows\\Globalization\\Sorting\\sortdefault.nls"
],
"file_copied": [
[
"C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_un.exe",
"C:\\Windows\\Temp\\AF_un.exe"
]
],
"regkey_opened": [
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\trueEP\\TC_Env\\tc_COMMUNICATION",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\trueEP\\TC_Env\\tc_CLIENT",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Network",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Comdlg32",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\trueEP\\tc_INSTALL"
],
"file_written": [
"c:\\20190630_UnInstall.txt"
],
"file_exists": [
"c:\\20190630_UnInstall.txt",
"c:\\",
"C:\\Windows\\Temp"
],
"command_line": [
"\"C:\\Windows\\System32\\regsvr32.exe\" \/s \/u C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll",
"REGSVR32.EXE \/s \/u C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Setup\\SourcePath",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b5-70f9-11e8-b07b-806e6f6e6963}\\Generation",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\EnableLUA",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Locale\\00000409",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b6-70f9-11e8-b07b-806e6f6e6963}\\Generation",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b5-70f9-11e8-b07b-806e6f6e6963}\\Data",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\Language Groups\\1",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\DevicePath",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en",
"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\MountPoints2\\CPC\\Volume\\{3f5cc1b6-70f9-11e8-b07b-806e6f6e6963}\\Data",
"HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en"
]
},
"first_seen": 1561917188.5156,
"ppid": 2448
},
{
"process_path": "C:\\Windows\\System32\\lsass.exe",
"process_name": "lsass.exe",
"pid": 476,
"summary": {},
"first_seen": 1561917188.3125,
"ppid": 376
},
{
"process_path": "C:\\Windows\\System32\\regsvr32.exe",
"process_name": "regsvr32.exe",
"pid": 2204,
"summary": {
"file_opened": [
"C:\\Windows\\System32\\en-US\\KERNELBASE.dll.mui"
],
"regkey_opened": [
"HKEY_CLASSES_ROOT\\.dll",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\dllfile\\AutoRegister",
"HKEY_CLASSES_ROOT\\dllfile"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\WMR\\Disable",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\.dll\\(Default)"
],
"dll_loaded": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll"
]
},
"first_seen": 1561917194.953,
"ppid": 1664
}
]Signatures
[
{
"markcount": 2,
"families": [],
"description": "Foreign language identified in PE resource",
"severity": 2,
"marks": [
{
"name": "RT_ICON",
"language": "LANG_KOREAN",
"offset": "0x0007703c",
"filetype": "data",
"sublanguage": "SUBLANG_KOREAN",
"type": "generic",
"size": "0x000025a8"
},
{
"name": "RT_GROUP_ICON",
"language": "LANG_KOREAN",
"offset": "0x0007b48c",
"filetype": "MS Windows icon resource - 1 icon, 48x48",
"sublanguage": "SUBLANG_KOREAN",
"type": "generic",
"size": "0x00000014"
}
],
"references": [],
"name": "origin_langid"
},
{
"markcount": 2,
"families": [],
"description": "Creates a suspicious process",
"severity": 2,
"marks": [
{
"category": "cmdline",
"ioc": "\"C:\\Windows\\System32\\regsvr32.exe\" \/s \/u C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll",
"type": "ioc",
"description": null
},
{
"category": "cmdline",
"ioc": "REGSVR32.EXE \/s \/u C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "suspicious_process"
},
{
"markcount": 1,
"families": [],
"description": "A process created a hidden window",
"severity": 2,
"marks": [
{
"call": {
"category": "process",
"status": 1,
"stacktrace": [],
"api": "ShellExecuteExW",
"return_value": 1,
"arguments": {
"parameters": "\/s \/u C:\\Users\\cuck\\AppData\\Local\\Temp\\AF_OL.dll",
"filepath": "REGSVR32.EXE",
"filepath_r": "REGSVR32.EXE",
"show_type": 0
},
"time": 1561916765.3779,
"tid": 2736,
"flags": {}
},
"pid": 1664,
"type": "call",
"cid": 152
}
],
"references": [],
"name": "stealth_window"
},
{
"markcount": 2,
"families": [],
"description": "Checks for the Locally Unique Identifier on the system for a suspicious privilege",
"severity": 2,
"marks": [
{
"call": {
"category": "system",
"status": 1,
"stacktrace": [],
"api": "LookupPrivilegeValueW",
"return_value": 1,
"arguments": {
"system_name": "",
"privilege_name": "SeBackupPrivilege"
},
"time": 1561916759.2689,
"tid": 2736,
"flags": {}
},
"pid": 1664,
"type": "call",
"cid": 46
},
{
"call": {
"category": "system",
"status": 1,
"stacktrace": [],
"api": "LookupPrivilegeValueW",
"return_value": 1,
"arguments": {
"system_name": "",
"privilege_name": "SeBackupPrivilege"
},
"time": 1561916759.2689,
"tid": 2736,
"flags": {}
},
"pid": 1664,
"type": "call",
"cid": 52
}
],
"references": [],
"name": "privilege_luid_check"
}
]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": 6.2272400856018,
"dport": 137,
"sport": 137
},
{
"src": "192.168.56.101",
"dst": "192.168.56.255",
"offset": 5342,
"time": 12.258830070496,
"dport": 138,
"sport": 138
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 7186,
"time": 6.1605679988861,
"dport": 5355,
"sport": 51001
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 7514,
"time": 4.1791341304779,
"dport": 5355,
"sport": 53595
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 7842,
"time": 6.1694259643555,
"dport": 5355,
"sport": 53848
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 8170,
"time": 4.6823391914368,
"dport": 5355,
"sport": 54255
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 8498,
"time": 3.0506839752197,
"dport": 5355,
"sport": 55314
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 8826,
"time": 4.7158551216125,
"dport": 1900,
"sport": 1900
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 28236,
"time": 4.21448802948,
"dport": 3702,
"sport": 49152
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 36620,
"time": 6.3044390678406,
"dport": 1900,
"sport": 53598
}
],
"dns_servers": [],
"http": [],
"icmp": [],
"smtp": [],
"tcp": [],
"smtp_ex": [],
"mitm": [],
"hosts": [],
"pcap_sha256": "1cc1ee0fda14f3daa8735f5525b5f6791f4920881ca3f1cf341fd143aeba834f",
"dns": [],
"http_ex": [],
"domains": [],
"dead_hosts": [],
"sorted_pcap_sha256": "3909c3be6a85b0e47d066d81b889d3d9a68fad58eadb0af2d1ff9ea6d925d103",
"irc": [],
"https_ex": []
}Screenshots
Hashes [?]
| Property | Value |
|---|---|
| MD5 | c83ec5d9f3ef96cdbc84e981f1b60c2f |
| SHA256 | dfcd7e2c0ad57be36aa9358252ea8c47a7ad7c448ed790a156c9c8c3a82465b8 |
Error Messages
These are some of the error messages that can appear related to af_un.exe:
af_un.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
af_un.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.
trueEP Monitor has stopped working.
End Program - af_un.exe. This program is not responding.
af_un.exe is not a valid Win32 application.
af_un.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.
What will you do with AF_un.exe?
To help other users, please let us know what you will do with AF_un.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.
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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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