Categories: Worm

What is “Worm:Win32/Vobfus.KB”?

The Worm:Win32/Vobfus.KB 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/Vobfus.KB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the embedded pe malware family
  • Attempts to disable Windows Auto Updates
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Worm:Win32/Vobfus.KB?


File Info:

name: 2D614134C981725C62DA.mlwpath: /opt/CAPEv2/storage/binaries/469111339bdc5c11140327b2aaf3ecc975a611eb437d5f0abc815e5a1d99f33bcrc32: 2C0206ACmd5: 2d614134c981725c62da26729cf4e5casha1: 0d088e4d93cf8b830199d26fede7652f3eb53730sha256: 469111339bdc5c11140327b2aaf3ecc975a611eb437d5f0abc815e5a1d99f33bsha512: 47f34c204c821e3355fba09c8ec890bb53f2a69cdbdf506109b3c7f072d7851f569914addcaf8c8a409d85c2c87000da637ceddecb8aa8ec5478d840f5662c81ssdeep: 6144:Qygkz/+RltuYb4NEzrVCU8TCOqHaC6Y6EX+mnqcXZWgbp1GO:6ImRltF4NEzrVCU8Tzq6C6Y6EX+mqcXTtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19C84F8173390F61AD5218AF13A5A83B4A53AFD3515E29D03EAD03F2877B1E979236313sha3_384: 3cd6ce7a27e6c6a8659f745677351b96b1474634ec248fcb24589f0917d63389a4acd2d863cde61f4f2e40cea97085f7ep_bytes: 68f04c4000e8eeffffff000000000000timestamp: 2000-06-27 05:20:29

Version Info:

0: [No Data]

Worm:Win32/Vobfus.KB also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Generic.Dacic.DC06BB9F.A.077CD287
CAT-QuickHeal Worm.VobfusVMF.S20098216
Skyhigh BehavesLike.Win32.VBObfus.fm
McAfee VBObfus.cm
Malwarebytes Generic.Malware.AI.DDS
VIPRE Generic.Dacic.DC06BB9F.A.077CD287
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
Baidu Win32.Trojan.Inject.n
VirIT Trojan.Win32.VB2.AU
Symantec W32.Changeup
ESET-NOD32 a variant of Win32/VBObfus.DR
APEX Malicious
TrendMicro-HouseCall TROJ_AGENT_052692.TOMB
Avast Win32:VB-AJEF [Trj]
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.erob
BitDefender Generic.Dacic.DC06BB9F.A.077CD287
NANO-Antivirus Trojan.Win32.WBNA.cojaee
Tencent Worm.Win32.Vobfus.har
Emsisoft Generic.Dacic.DC06BB9F.A.077CD287 (B)
F-Secure Worm.WORM/Vobfus.9975524
DrWeb Win32.HLLW.Autoruner1.28410
TrendMicro TROJ_AGENT_052692.TOMB
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.2d614134c981725c
Sophos W32/SillyFDC-IM
Ikarus Worm.Win32.Vobfus
Jiangmin Worm/WBNA.dgfp
Google Detected
Avira WORM/Vobfus.9975524
Varist W32/VB.HF.gen!Eldorado
Antiy-AVL Virus/Win64.Expiro.rsrc
Kingsoft malware.kb.a.1000
Microsoft Worm:Win32/Vobfus.KB
Arcabit Generic.Dacic.DC06BB9F.A.077CD287
ZoneAlarm Worm.Win32.Vobfus.erob
GData Generic.Dacic.DC06BB9F.A.077CD287
Cynet Malicious (score: 100)
Acronis suspicious
VBA32 BScope.Trojan-Dropper.Injector
ALYac Generic.Dacic.DC06BB9F.A.077CD287
Cylance unsafe
Panda Trj/Genetic.gen
Rising Worm.Vobfus!8.10E (TFE:1:VUczkSNciLO)
Yandex Trojan.GenAsa!zfuGGAXqdgg
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.73671812.susgen
Fortinet W32/VBKrypt.C!tr
BitDefenderTheta Gen:NN.ZevbaF.36802.xqY@aaHXxD
AVG Win32:VB-AJEF [Trj]
DeepInstinct MALICIOUS
alibabacloud Worm:Win/Vobfus.44b18463

How to remove Worm:Win32/Vobfus.KB?

  • 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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