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.

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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: 9646BDE5
md5: 0252943605003f18b33010491a1a95b6
name: 0252943605003F18B33010491A1A95B6.mlw
sha1: 01158e7529b21878460285a6dac6d0d1979045e2
sha256: 2959e936b6e7e13a436a2abf4c6d258523924fb625d40544789126c7f54733b4
sha512: 72e6bcc04a80a9bcb277bef5b5ceac4685a507d25b545c3f3618600d932ede702ce8f5c601fb3ffbca3e1a382374e999d1b01090cc40fb56e39e1c7766d0f19f
ssdeep: 6144:wul3JU9ThrPjbnZhQQqwZbebQ3KFbpnp9Puqy5fMy8dLgIBYGSex:wulUhrMQ5ZbuSKjuLupgs
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright 2007 Nero AG and its licensors
InternalName: DTShellHlp
PortableApps.comAppID: DTShellHlp
FileVersion: 4.49.1.0356
PortableApps.comFormatVersion: 2.0
CompanyName: PortableApps.com
LegalTrademarks: Copyright 2007 Nero AG and its licensors
Comments: For additional details, visit PortableApps.com
ProductName: DTShellHlp
PortableApps.comInstallerVersion: 4.49.1.0356
ProductVersion: 4.49.1.0356
FileDescription: DTShellHlp
OriginalFilename: xa9 XTreme xa9
Translation: 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.