About “Win32:Mutex-A [Trj]” infection

The Win32:Mutex-A [Trj] is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

What Win32:Mutex-A [Trj] virus can do?

• Executable code extraction
• Creates RWX memory
• A process attempted to delay the analysis task.
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• Unconventionial language used in binary resources: Russian
• Uses Windows utilities for basic functionality
• Attempts to remove evidence of file being downloaded from the Internet
• Attempts to delete volume shadow copies
• Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware
• Installs itself for autorun at Windows startup
• Writes a potential ransom message to disk
• Creates a hidden or system file
• Attempts to modify proxy settings
• Creates a copy of itself
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Win32:Mutex-A [Trj]?

File Info:
crc32: 9646BDE5md5: 0252943605003f18b33010491a1a95b6name: 0252943605003F18B33010491A1A95B6.mlwsha1: 01158e7529b21878460285a6dac6d0d1979045e2sha256: 2959e936b6e7e13a436a2abf4c6d258523924fb625d40544789126c7f54733b4sha512: 72e6bcc04a80a9bcb277bef5b5ceac4685a507d25b545c3f3618600d932ede702ce8f5c601fb3ffbca3e1a382374e999d1b01090cc40fb56e39e1c7766d0f19fssdeep: 6144:wul3JU9ThrPjbnZhQQqwZbebQ3KFbpnp9Puqy5fMy8dLgIBYGSex:wulUhrMQ5ZbuSKjuLupgstype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
LegalCopyright: Copyright 2007 Nero AG and its licensorsInternalName: DTShellHlpPortableApps.comAppID: DTShellHlpFileVersion: 4.49.1.0356PortableApps.comFormatVersion: 2.0CompanyName: PortableApps.comLegalTrademarks: Copyright 2007 Nero AG and its licensorsComments: For additional details, visit PortableApps.comProductName: DTShellHlpPortableApps.comInstallerVersion: 4.49.1.0356ProductVersion: 4.49.1.0356FileDescription: DTShellHlpOriginalFilename: xa9 XTreme xa9Translation: 0x0000 0x04b0

Win32:Mutex-A [Trj] also known as:

How to remove Win32:Mutex-A [Trj]?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.