UDS:Backdoor.MSIL.Convagent malicious file

The UDS:Backdoor.MSIL.Convagent 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 UDS:Backdoor.MSIL.Convagent virus can do?

• Behavioural detection: Executable code extraction – unpacking
• HTTPS urls from behavior.
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial binary language: Russian
• Unconventionial language used in binary resources: Russian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Uses Windows utilities to create a scheduled task
• Attempts to identify installed AV products by installation directory
• Attempts to modify proxy settings
• Appears to use command line obfuscation
• Deletes executed files from disk
• Uses suspicious command line tools or Windows utilities

How to determine UDS:Backdoor.MSIL.Convagent?

File Info:
name: 486D37EF663B2C3A92DC.mlw
path: /opt/CAPEv2/storage/binaries/5144d8274e42436c50a2032f6324ecab37bda14fe96a1a4ee85df3a9f45158e3
crc32: E19B2933
md5: 486d37ef663b2c3a92dc6b25681709f2
sha1: 2591882b98fb14866e5f208206c19374ccf8e217
sha256: 5144d8274e42436c50a2032f6324ecab37bda14fe96a1a4ee85df3a9f45158e3
sha512: f28ef6e1ee496f2dccabf35c0354b5ce1c7582c0b711a15ea1ddcabbbc992e766ee5bf0c0556b4ab545451163921806a34976ca302d17e3c1842b532074eed79
ssdeep: 24576:fytCKR6Elx7n0mg243yWnL/MnqYHrGoiS:qUKoElN3sLonqwbi
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19215230735EC4095F8B05BB029FA03C30A357E614A78879BA68FEC9F45726E0B635767
sha3_384: dc92a2c31ab27f676d688846d403877e9098d90e4aba2f61e8f9738d308d66f623149c66d2eae49cc6e945ad46e17579
ep_bytes: e8f0060000e9000000006a5868b87240
timestamp: 2022-05-24 22:49:06

Version Info:
CompanyName: Microsoft Corporation
FileDescription: Самоизвлечение CAB-файлов Win32                                           
FileVersion: 11.00.17763.1 (WinBuild.160101.0800)
InternalName: Wextract                
LegalCopyright: © Корпорация Майкрософт. Все права защищены.
OriginalFilename: WEXTRACT.EXE            .MUI
ProductName: Internet Explorer
ProductVersion: 11.00.17763.1
Translation: 0x0419 0x04b0

UDS:Backdoor.MSIL.Convagent also known as:

How to remove UDS:Backdoor.MSIL.Convagent?

• 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.