What is “Trojan.Win32.Witch.hco”?

The Trojan.Win32.Witch.hco 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.hco 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
• 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.hco?

File Info:
name: 8C93D8ADCE5939D30D12.mlw
path: /opt/CAPEv2/storage/binaries/0d9f7b7160f61de8acbe3e807a34a87624ada9a272670f1ef600571913d272a8
crc32: A8F8D60A
md5: 8c93d8adce5939d30d1249fd71d4df3e
sha1: fd65589e5eaabd2ed077fa108aa1f0227f93387f
sha256: 0d9f7b7160f61de8acbe3e807a34a87624ada9a272670f1ef600571913d272a8
sha512: 924f8e553e91b0458114d31f06bd3e25ac82b7adecd2d6182b7203ef0296b707d0dbb18f4c485fa4735d70ef3b15c3af22a53b37be52ac70351d3851849be0d3
ssdeep: 196608:91O2apZzF99ciSHhim5BDjJpbnbeSiyIcnsZZqBHAi/:3O2Kzz9NSHkm5BT6vyIcnsOZP/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BF56332572B2C977F14D1839C2412BC6F9A6ED2D19150C2333E9AE3D3F3A9ADD167206
sha3_384: 140e46f7bf99a943d2298f1c758accacd19e8b49978eeaadd2d167ce8dfb5d13018218adbbbae61fff0f9d95a3641fa9
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.hco also known as:

How to remove Trojan.Win32.Witch.hco?

• 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.