What is SSDefs.exe?

SSDefs.exe is part of System Mechanic and developed by iolo technologies, LLC according to the SSDefs.exe version information.

SSDefs.exe's description is "SS Defs"

SSDefs.exe is digitally signed by RealDefense, LLC.

SSDefs.exe is usually located in the 'C:\Program Files (x86)\Phoenix360\System Mechanic\' folder.

Some of the anti-virus scanners at VirusTotal detected SSDefs.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 SSDefs.exe:

PropertyValue
Product nameSystem Mechanic
Company nameiolo technologies, LLC
File descriptionSS Defs
Internal nameSSDefs.exe
Original filenameSSDefs.exe
Legal copyrightCopyright © 2020
Product version20.7.1.34
File version20.7.1.34

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

Product nameSystem Mechanic
Company nameiolo technologies, LLC
File descriptionSS Defs
Internal nameSSDefs.exe
Original filenameSSDefs.exe
Legal copyrightCopyright © 2020
Product version20.7.1.34
File version20.7.1.34

Digital signatures [?]

SSDefs.exe has a valid digital signature.

PropertyValue
Signer nameRealDefense, LLC
Certificate issuer nameDigiCert EV Code Signing CA (SHA2)
Certificate serial number0aa03d17f305540bf48956f394442e9d

VirusTotal report

1 of the 72 anti-virus programs at VirusTotal detected the SSDefs.exe file. That's a 1% detection rate.

ScannerDetection Name
DrWeb Program.Unwanted.4931
1 of the 72 anti-virus programs detected the SSDefs.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "dll_loaded": [
        "ADVAPI32.dll",
        "SHLWAPI.dll",
        "C:\\Windows\\system32\\IMM32.DLL",
        "gdi32.dll"
    ],
    "file_opened": [
        "C:\\Windows\\Microsoft.NET\\Framework64\\v2.0.50727\\",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\6e65b2087ab05cfb484472634d175a2fa06058db16fe42011138c23e014b64a0.bin"
    ],
    "regkey_opened": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\Upgrades",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\Upgrades",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework\\Policy\\Standards",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\Standards",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework\\Policy\\Upgrades",
        "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\standards\\v4.0.30319",
        "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\v2.0",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\standards",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\AppPatch"
    ],
    "file_exists": [
        "C:\\Windows\\System32\\MSCOREE.DLL.local"
    ],
    "file_failed": [
        "C:\\Windows\\Microsoft.NET\\Framework64\\Upgrades.2.0.50727\\",
        "C:\\Windows\\Microsoft.NET\\Framework64\\v4.0.30319\\",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\6e65b2087ab05cfb484472634d175a2fa06058db16fe42011138c23e014b64a0.bin.config"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\OnlyUseLatestCLR",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\LoadAppInit_DLLs",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\NoGuiFromShim",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\CLRLoadLogDir",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\InstallRoot",
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\6e65b2087ab05cfb484472634d175a2fa06058db16fe42011138c23e014b64a0.bin",
        "process_name": "6e65b2087ab05cfb484472634d175a2fa06058db16fe42011138c23e014b64a0.bin",
        "pid": 2816,
        "summary": {
            "dll_loaded": [
                "ADVAPI32.dll",
                "SHLWAPI.dll",
                "C:\\Windows\\system32\\IMM32.DLL",
                "gdi32.dll"
            ],
            "file_opened": [
                "C:\\Windows\\Microsoft.NET\\Framework64\\v2.0.50727\\",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\6e65b2087ab05cfb484472634d175a2fa06058db16fe42011138c23e014b64a0.bin"
            ],
            "regkey_opened": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\Upgrades",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\Upgrades",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework\\Policy\\Standards",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\Standards",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework\\Policy\\Upgrades",
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\Policy\\",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\standards\\v4.0.30319",
                "HKEY_CURRENT_USER\\Software\\Microsoft\\.NETFramework",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\v2.0",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\standards",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\Policy\\AppPatch"
            ],
            "file_exists": [
                "C:\\Windows\\System32\\MSCOREE.DLL.local"
            ],
            "file_failed": [
                "C:\\Windows\\Microsoft.NET\\Framework64\\Upgrades.2.0.50727\\",
                "C:\\Windows\\Microsoft.NET\\Framework64\\v4.0.30319\\",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\6e65b2087ab05cfb484472634d175a2fa06058db16fe42011138c23e014b64a0.bin.config"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\OnlyUseLatestCLR",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\LoadAppInit_DLLs",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\NoGuiFromShim",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\CLRLoadLogDir",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\.NETFramework\\InstallRoot",
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1605174789.59375,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1605174789.34375,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\Jenkins-Slave\\workspace\\sm\\20.7\\ioloCore\\SystemMechanicX1\\SSDefs\\obj\\Release\\SSDefs.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    }
]

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": 6.230731964111328,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2134,
            "time": 6.1925060749053955,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2462,
            "time": 4.163615942001343,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2790,
            "time": 6.205946922302246,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3118,
            "time": 4.670171022415161,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3446,
            "time": 3.066740036010742,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 3774,
            "time": 4.245327949523926,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 9152,
            "time": 4.213481903076172,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 13344,
            "time": 6.246225118637085,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "907cf2122190c168898826d59ed54861085f7f38a4b93a5b1ac379fc05915bfc",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "4d8756ba5686eeb3a8c26f33079b93e037464293849bec74449e0ee9c33f5fda",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

Other files also named SSDefs.exe

SSDefs.exe (16 votes)

Hashes [?]

PropertyValue
MD5b70a222e9b50d548fefd5f5551b35504
SHA2566e65b2087ab05cfb484472634d175a2fa06058db16fe42011138c23e014b64a0

Error Messages

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

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

ssdefs.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.

SS Defs has stopped working.

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

ssdefs.exe is not a valid Win32 application.

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

What will you do with SSDefs.exe?

To help other users, please let us know what you will do with SSDefs.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.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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