About “MSIL/TrojanDownloader.Agent.MBK” infection

The MSIL/TrojanDownloader.Agent.MBK 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 MSIL/TrojanDownloader.Agent.MBK virus can do?

• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Possible date expiration check, exits too soon after checking local time
• Dynamic (imported) function loading detected
• CAPE extracted potentially suspicious content
• Authenticode signature is invalid

How to determine MSIL/TrojanDownloader.Agent.MBK?

File Info:
name: C57E19517C0B25850867.mlw
path: /opt/CAPEv2/storage/binaries/0f2d2815d0274b30eb1215bd58fff45f8fbb25de7c79192301484ee3baf192fe
crc32: 1FD03C2C
md5: c57e19517c0b25850867a00f54cf3d73
sha1: a6b9de48d2ccac97bdcc401e4430edbfab05fd5c
sha256: 0f2d2815d0274b30eb1215bd58fff45f8fbb25de7c79192301484ee3baf192fe
sha512: 32653d1e813ca45a2315bca78caf01f9a98d10ce4f5b4f811a548640c35a109e2db35dc6666ea96f3f75dee227dad689829daa4d6f344736f814cf1b452d36da
ssdeep: 768:kFHRJaHizRdZ6OnvGmVlFx+JY/2LpCHteSb8to7Fn517ScYU/r:kDJAYFt+uEC/2+MSb8tuDEU/r
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1412307D1A651556BE8233A70BC1FD33F07206EDF4B22BA35378C3F0BA9252821956E71
sha3_384: 9b82025b6b1fa8cfb9ad199d03eed41cd835f64d15d7277b0d7e4377545b8cefaaa8b118577cb0fb312aede19d1ebc6a
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-06-06 11:29:28

Version Info:
Translation: 0x0000 0x04b0
Comments: Au3Info
CompanyName: AutoIt Team
FileDescription: Au3Info
FileVersion: 3.3.16.0
InternalName: Qmzeq.exe
LegalCopyright: © 1999-2022 Jonathan Bennett & AutoIt Team
LegalTrademarks: 
OriginalFilename: Qmzeq.exe
ProductName: Au3Info
ProductVersion: 3.3.16.0
Assembly Version: 3.3.16.0

MSIL/TrojanDownloader.Agent.MBK also known as:

How to remove MSIL/TrojanDownloader.Agent.MBK?

• 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.