VHO:Trojan.Win32.Witch.flw (file analysis)

The VHO:Trojan.Win32.Witch.flw 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 VHO:Trojan.Win32.Witch.flw virus can do?

• Executable code extraction
• Creates RWX memory
• Attempts to execute a powershell command with suspicious parameter/s
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Sniffs keystrokes
• 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
• Attempts to disable Windows Defender
• Uses suspicious command line tools or Windows utilities

How to determine VHO:Trojan.Win32.Witch.flw?

File Info:
crc32: 9D243BDC
md5: f56112c57b7b10de8c4a6e3d750deef9
name: F56112C57B7B10DE8C4A6E3D750DEEF9.mlw
sha1: 60ead026457ab6ef1c9f2f022a45b24a281ac9b9
sha256: 54027d83cf78b26fe5ad2687864ebe25632232b4e4a22c543065a6e878de8c14
sha512: 59f30bf0d3dd801b5d379fb9985087639164f898e1990e1e41ee61c1a95e53e6334f8c5ddcd93c039df0cfefb7c05ec86929e5635556cd681b3c375aaaa1b007
ssdeep: 196608:91OqwXiS/Ibwr6uicTu0abT2lIUM6CDydBQR:3OqsUbweuicTu0abKzMt
type: PE32 executable (GUI) Intel 80386, for MS Windows

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

VHO:Trojan.Win32.Witch.flw also known as:

How to remove VHO:Trojan.Win32.Witch.flw?

• 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.