Categories: Malware

About “Mal/Vobfus-M” infection

The Mal/Vobfus-M 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 Mal/Vobfus-M virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (inter-process)
  • Behavioural detection: Injection with CreateRemoteThread in a remote process
  • Touches a file containing cookies, possibly for information gathering

How to determine Mal/Vobfus-M?


File Info:

name: ADD2550A8FEF87A93BA8.mlwpath: /opt/CAPEv2/storage/binaries/5bdcf48a3e01d725984d4c24ee1b32b155c8688dec4e0e55520b786b378b983bcrc32: B6D3349Emd5: add2550a8fef87a93ba807c1acd8f8dcsha1: 52e82d6129b5c3a99f94b4546f7b60f2e55bafa8sha256: 5bdcf48a3e01d725984d4c24ee1b32b155c8688dec4e0e55520b786b378b983bsha512: 1ad6caad911cdeb826064506c3fb2576cbda4a0e7607db7ecd218403215287175f7ca03597484a294b25d457f67ed30c276affda63ae567b16a5b2dd5156e52fssdeep: 384:/TdlcchJ1OkFH3PXjqVXjBPTPXj2O9sTd:/wqJxLwNTL2OWTtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T135B2A109FA144015F09642B93C261663E44C1D7422858CA6FF567B8D24FE3D3ABF9727sha3_384: b5a20cd3a6ece618df44be8a78125ee194abfe92a20fb66b185a28aca5696681cc45bd96e2143d9c737458ef53535bf9ep_bytes: 6870134000e8f0ffffff000000000000timestamp: 2014-10-15 23:36:56

Version Info:

Translation: 0x0804 0x04b0CompanyName: X8VjProductName: zhjnpwzgcsziFileVersion: 1.00ProductVersion: 1.00InternalName: zhjnpwzgcsziOriginalFilename: zhjnpwzgcszi.exe

Mal/Vobfus-M also known as:

Bkav W32.AIDetectMalware
MicroWorld-eScan Gen:Variant.Symmi.57254
FireEye Gen:Variant.Symmi.57254
CAT-QuickHeal Trojan.ClickerAgent.A3
McAfee Trojan-FFJD!ADD2550A8FEF
K7AntiVirus Trojan ( 005431f21 )
K7GW Trojan ( 005431f21 )
Cybereason malicious.a8fef8
BitDefenderTheta Gen:NN.ZevbaF.36318.bm0@aSAnQHkb
Cyren W32/Kazy.CI.gen!Eldorado
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanDownloader.VB.QQP
APEX Malicious
Cynet Malicious (score: 99)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Symmi.57254
Avast Win32:Downloader-VSU [Trj]
Tencent Trojan-DL.Win32.VB.kb
Emsisoft Gen:Variant.Symmi.57254 (B)
F-Secure Worm.WORM/Vobfus.oeinajm
DrWeb Trojan.DownLoader11.42673
VIPRE Gen:Variant.Symmi.57254
McAfee-GW-Edition Trojan-FFJD!ADD2550A8FEF
Sophos Mal/Vobfus-M
Ikarus Trojan-Downloader.Win32.VB
GData Gen:Variant.Symmi.57254
Avira WORM/Vobfus.oeinajm
Xcitium TrojWare.Win32.TrojanDownloader.Agent.QQK@5t917t
Arcabit Trojan.Symmi.DDFA6
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft TrojanDownloader:Win32/Tinub.C
Google Detected
AhnLab-V3 Trojan/Win32.Agent.R129011
ALYac Gen:Variant.Symmi.57254
MAX malware (ai score=89)
VBA32 BScope.TrojanDownloader.Tinub
Rising Downloader.Tinub!8.D6 (TFE:5:tCJiUznnplG)
Yandex Trojan.GenAsa!q8Atwt4fVQ8
SentinelOne Static AI – Suspicious PE
Fortinet W32/VBObfus.M!tr
AVG Win32:Downloader-VSU [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_70% (D)

How to remove Mal/Vobfus-M?

  • 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.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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