MSIL/Filecoder.RansomYY.A (file analysis)

The MSIL/Filecoder.RansomYY.A 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 MSIL/Filecoder.RansomYY.A virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Checks for the presence of known devices from debuggers and forensic tools
• A script or command line contains a long continuous string indicative of obfuscation

How to determine MSIL/Filecoder.RansomYY.A?

File Info:
name: 39804F58E7606AF71A66.mlw
path: /opt/CAPEv2/storage/binaries/f2196c2ac51faefd879095bd964700ae1acac368cb6efc96671569f2509af07c
crc32: 8874B4B3
md5: 39804f58e7606af71a664de31c8943d7
sha1: 3d1b9c9a26d938447a09f25213af6f77006436b2
sha256: f2196c2ac51faefd879095bd964700ae1acac368cb6efc96671569f2509af07c
sha512: 94cd556689d01d4c158826ab8e69de1a9dd00af281b42a93149dd7fb771b1cc3bbf1fe8e82f3cb8619471cc0785e2c9da9d1f70b14794fb82fe1b88c3853c31d
ssdeep: 384:foLtTZWvpKAZ9QzZa3UXA97WFYAShI6aLXRleegGKF7NN9AHkMTMhnIFt:ycUAZ9QzZa38A97WFYAShIHX325zCmVW
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T12992EC067950ED21C57A5A33C5F23F205323D0852983CB9B6FBCCA8E28552EAEDDF254
sha3_384: 588912805c1b553f8754ba45277c1540697dde8f8b26ff9fb0dfdbd81ebbbaec21d420a9d251a4a82169f976713c7722
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-01-26 12:23:41

Version Info:
Translation: 0x0000 0x04b0
Comments: 
CompanyName: 
FileDescription: 
FileVersion: 1.0.0.0
InternalName: TaskRun.exe
LegalCopyright: 
LegalTrademarks: 
OriginalFilename: TaskRun.exe
ProductName: 
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

MSIL/Filecoder.RansomYY.A also known as:

How to remove MSIL/Filecoder.RansomYY.A?

• 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.