What is “Trojan.Win32.Witch.hdq”?

The Trojan.Win32.Witch.hdq 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.hdq 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
• Anomalous file deletion behavior detected (10+)
• 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
• Behavioural detection: Transacted Hollowing
• 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.hdq?

File Info:
name: B93C90E44AC283672769.mlw
path: /opt/CAPEv2/storage/binaries/2e59f66a6f7a5a6d2c018a8e3a024c17537dfb9e07e40b5ad30d9247553e93da
crc32: 45F49269
md5: b93c90e44ac283672769e9a32b64724a
sha1: c004a8946cd192944d563446959ccadc5fdb0969
sha256: 2e59f66a6f7a5a6d2c018a8e3a024c17537dfb9e07e40b5ad30d9247553e93da
sha512: 56e1d10e1901780f548e2889925c2d0e766d5f14b04c6b5081ce367437331a7c238b43fa6a92bb133d583e3c5eb450a8216e279da6a0a22b2df3c7ebf9672af1
ssdeep: 196608:91OpapZzF99ciSHhim5BDjJpbnbeSiyIcnsZZqBHAin:3OpKzz9NSHkm5BT6vyIcnsOZPn
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F756332572B2C977F14D1839C2412BC6F9A6ED2D19150C2333E9AE3D3F3A9ADD167206
sha3_384: 4e348c4b8118bc0173b730edaa2bb0e73f2bd411923cd21a8245efc7370d7423aa3a73e8295e710fa99efcca489645b7
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.hdq also known as:

How to remove Trojan.Win32.Witch.hdq?

• 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.