UDS:Backdoor.MSIL.Convagent (file analysis)

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
• 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
• CAPE detected the RedLine malware family
• Deletes executed files from disk
• Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine UDS:Backdoor.MSIL.Convagent?

File Info:
name: 3B9A65553451675FE1FD.mlw
path: /opt/CAPEv2/storage/binaries/62e22c5cef8ecbb5f723dc6ed2b21f237f4794d97d38218bd21cda38b89bef95
crc32: 12A368BC
md5: 3b9a65553451675fe1fdc44dba6e6be9
sha1: 2f0a22dac8da4082a0783c88141c70d08cb5c186
sha256: 62e22c5cef8ecbb5f723dc6ed2b21f237f4794d97d38218bd21cda38b89bef95
sha512: c73f1a10b88c445f97edd3b77d33c2c62c82b95b7531c4b52dd113295a857445e9dc88e8859dc2262d5fa2ca71c443dda6b3e19719aab471c2002401c84ba1a0
ssdeep: 12288:HMruy907Xxdj0NtCXX56kDXbtGanjjPNvFR+rnCZ6oQ:dyiXxHX5dDbtGanPPNNRSCZE
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T166B40217EAEC8036E8B5177019F70AC3263ABD901A749697234EBC5E0973674A63077B
sha3_384: c0793d383bfe6ef281e6397d8195b2347d4999a13c13b609f3c61e6300ef929b26845169d53aa78b002836c85267f91b
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.