How to remove “Trojan.Win32.Witch.hdr”?

The Trojan.Win32.Witch.hdr 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.hdr 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
• 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
• 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
• 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 execute suspicious powershell command arguments
• Uses suspicious command line tools or Windows utilities

How to determine Trojan.Win32.Witch.hdr?

File Info:
name: E7B3FA243D4C67E7A04B.mlw
path: /opt/CAPEv2/storage/binaries/e476d92cd52a4c292068dfe852837b85bbbffe0fe18e24834a1bff0b52955ad5
crc32: 95AFBE4A
md5: e7b3fa243d4c67e7a04b6c5a2ea18400
sha1: 829a654c3df0dbd52ae24e3c48538c5ad170248e
sha256: e476d92cd52a4c292068dfe852837b85bbbffe0fe18e24834a1bff0b52955ad5
sha512: 51cbe5cf873770d96917aaf7dc98ed52a8b7873dc31c0ba685f5a53a2be19e3ba852ca3e3e0603b0cb22573530366fa631ec6a252bb191e6a01969225a9de78d
ssdeep: 196608:91OsnibGylfJH54eU4v9cyj/7jmbO4kHiOHKXVaDf:3Osn9ylL4Pwco3OOHKXVaDf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E1763351B1C449FEFE489632C9717FB3B0CA9A1C17250A2B2F8BC519AC7C9A2C5197D3
sha3_384: 958acdd845291de57c7ca2529629a6b9a4deaa67d61a276482f96b2655b0b52c6581e26a5aa120b505ad15d269ae2c5d
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.hdr also known as:

How to remove Trojan.Win32.Witch.hdr?

• 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.