Trojan.Win32.Witch.gyl removal instruction

The Trojan.Win32.Witch.gyl 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 Trojan.Win32.Witch.gyl virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• A named pipe was used for inter-process communication
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Detects VirtualBox using WNetGetProviderName trick
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Checks the version of Bios, possibly for anti-virtualization
• Appears to use command line obfuscation
• A script or command line contains a long continuous string indicative of obfuscation
• Attempts to disable Windows Defender
• Attempts to execute suspicious powershell command arguments
• Uses suspicious command line tools or Windows utilities

How to determine Trojan.Win32.Witch.gyl?

File Info:
name: AB175117B5379F7579D5.mlw
path: /opt/CAPEv2/storage/binaries/dc4606affdce76777761d01ee85478775a0f2730f729e2be5552370d0be26ec5
crc32: 5BD71D1A
md5: ab175117b5379f7579d5d4a148b400a4
sha1: f972c9472e24cd83e0611ff4398ed6fd91a94b86
sha256: dc4606affdce76777761d01ee85478775a0f2730f729e2be5552370d0be26ec5
sha512: b2f998d137093061acfc8f79c723184f73022b964d750496778d6efcfba20b25e1ccd037be345e34c2d40e48b4fb272868eca2e6879a0a93603c4dca5eae7b6a
ssdeep: 196608:91O0RTXME2k5G1TVKsUkmeDqslK9xRqPd1:3OEMdk5G1xl3mmHlkxR41
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14C5633657CF18CFBE9915270DAAA7F8EB9FDE60069212C6337DE625E043C28440FA553
sha3_384: 690e0a55b8b4b278b4565db9e98b82efa42345aa4046b29158c5f812694526859346e55c3613d39cdf179a04778fcbd8
ep_bytes: 558bec6aff68e0b94100682c4a410064
timestamp: 2010-11-18 16:27:35

Version Info:
CompanyName: Igor Pavlov
FileDescription: 7z Setup SFX
FileVersion: 9.20
InternalName: 7zS.sfx
LegalCopyright: Copyright (c) 1999-2010 Igor Pavlov
OriginalFilename: 7zS.sfx.exe
ProductName: 7-Zip
ProductVersion: 9.20
Translation: 0x0409 0x04b0

Trojan.Win32.Witch.gyl also known as:

How to remove Trojan.Win32.Witch.gyl?

• 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.