Categories: Worm

Worm:Win32/Mofksys!pz removal

The Worm:Win32/Mofksys!pz 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 Worm:Win32/Mofksys!pz virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • A file was accessed within the Public folder.
  • Sample contains Overlay data
  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Uses Windows utilities to create a scheduled task
  • CAPE detected the RustyStealer malware family
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Worm:Win32/Mofksys!pz?


File Info:

name: 4D2FB0A1DBE621D880FA.mlwpath: /opt/CAPEv2/storage/binaries/2cc1499b836095e35890ab6e24d15542b6df21ba63ececcae58d9b57a782a1fbcrc32: 06AA889Cmd5: 4d2fb0a1dbe621d880fa4602b652cf2dsha1: 9a46f9e82c181ce388b234a29b18fcf91f875b1asha256: 2cc1499b836095e35890ab6e24d15542b6df21ba63ececcae58d9b57a782a1fbsha512: efb11f93fb758fc176883a10065b5d941e72e4a306f10da3702dae48ef1f6bf44cba76267b97985ce20565997c8a2f1b10423221fa1d02aeb991a6c5946f6e51ssdeep: 49152:mJZoQrbTFZY1iaO4ROX1lW68ZM5mmhD+SbilzCUWCLcMldpxruKihtKUoy+XCBe4:mtrbTA18XLW6jRhdGVQguhhW31ZX7nGdtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T196262312F1C6903AD2F327B15DBDF36A963969351326D29723C42E316EE05812F2A773sha3_384: 374bb78af78aca595f88ce93353a645839db8715a930fae7923e0312aa09005a03f9ea7bf9f1c0e653503c0074da093aep_bytes: e816900000e989feffffcccccccccc55timestamp: 2012-01-29 21:32:28

Version Info:

FileDescription: FileVersion: 3, 3, 8, 1CompiledScript: AutoIt v3 Script: 3, 3, 8, 1Translation: 0x0809 0x04b0

Worm:Win32/Mofksys!pz also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan AIT:Trojan.Nymeria.4018
FireEye Generic.mg.4d2fb0a1dbe621d8
CAT-QuickHeal Trojan.Mofksys.A
Skyhigh BehavesLike.Win32.Dropper.rc
ALYac Win32.Gosys.A
Malwarebytes Generic.Trojan.Malicious.DDS
Sangfor Trojan.Win32.Save.a
BitDefender AIT:Trojan.Nymeria.4018
CrowdStrike win/malicious_confidence_100% (D)
BitDefenderTheta Gen:NN.ZevbaF.36792.@p3@aOYPykgi
Symantec Trojan.Gen.9
tehtris Generic.Malware
ESET-NOD32 multiple detections
APEX Malicious
ClamAV Win.Malware.Autoit-6912463-0
Kaspersky Trojan-Dropper.Win32.Autoit.abceqi
NANO-Antivirus Trojan.Win32.Swisyn.efyboj
Rising Trojan.VB!1.6519 (CLASSIC)
Sophos Generic ML PUA (PUA)
Baidu Win32.Trojan.VB.at
F-Secure Trojan.TR/Patched.Ren.Gen
DrWeb Trojan.Siggen6.54687
VIPRE AIT:Trojan.Nymeria.4018
TrendMicro PE_MOFKSYS.A
Trapmine malicious.moderate.ml.score
Emsisoft AIT:Trojan.Nymeria.4018 (B)
Ikarus Trojan-Spy.MSIL.Omaneat
Google Detected
Avira TR/Patched.Ren.Gen
Varist W32/VB.RBGG-8488
Antiy-AVL Trojan/Win32.Swisyn.bner
Kingsoft malware.kb.a.970
Microsoft Worm:Win32/Mofksys!pz
Arcabit AIT:Trojan.Nymeria.DFB2 [many]
ZoneAlarm Trojan-Dropper.Win32.Autoit.abceqi
GData Win32.Gosys.A (2x)
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Artemis!4D2FB0A1DBE6
MAX malware (ai score=89)
DeepInstinct MALICIOUS
VBA32 Trojan.Autoit.F
Cylance unsafe
TrendMicro-HouseCall PE_MOFKSYS.A
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Autoit.AZA
AVG Script:SNH-gen [Trj]
Cybereason malicious.82c181
Avast Script:SNH-gen [Trj]

How to remove Worm:Win32/Mofksys!pz?

  • 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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Paul Valéry

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