Categories: Worm

Worm.Win32.Vobfus.dffg (file analysis)

The Worm.Win32.Vobfus.dffg 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.dffg virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Worm.Win32.Vobfus.dffg?


File Info:

name: E120E45EE82F3D79904A.mlwpath: /opt/CAPEv2/storage/binaries/3c24537ff596bcadf29d2896011bf352298cbae51ec2274fc70eea80b5e1a8d7crc32: C28D9552md5: e120e45ee82f3d79904a1a405f19f91asha1: 0a98776b22c6f6570042447846207935b55299cdsha256: 3c24537ff596bcadf29d2896011bf352298cbae51ec2274fc70eea80b5e1a8d7sha512: cae6afaf2a31465add35fff3a77e50cdd3217a2f7ace75424ed172a0c4febba5f9fcb9055108a1f6cb45ae1325a3a27ff6690e151ced06b0fa9b178e89638466ssdeep: 6144:yMEcB4Psq8gFV91GGGLVTmrshXj0MQH1DUhu1GJu+DODryKnKxO:5TwUgFV6Hm1JKxOtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T164643016AD10A03BE64698F1291983AA291D1E776380FC0BF385BB9870751E7F6F171Fsha3_384: 93e8c5c67f847c2b5311b5ccd4e842161c0ba7609bd4500400f730cc86c7c5adf8e508b42326157f24e5fe63eb1eee94ep_bytes: 68dc4b4000e8f0ffffff000048000000timestamp: 2012-03-29 20:56:00

Version Info:

ProductName: 87FileVersion: 67.00ProductVersion: 188.00InternalName: 445OriginalFilename: 98Translation: 0x0409 0x04b0

Worm.Win32.Vobfus.dffg also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Barys.950
CAT-QuickHeal Trojan.Beebone.D
ALYac Gen:Variant.Barys.950
Cylance unsafe
Sangfor Suspicious.Win32.Save.vb
CrowdStrike win/malicious_confidence_100% (D)
K7GW EmailWorm ( 0054d10f1 )
K7AntiVirus EmailWorm ( 0054d10f1 )
Baidu Win32.Trojan.VBObfus.f
VirIT Trojan.Win32.SHeur4.WOC
Cyren W32/Vobfus.BE.gen!Eldorado
Symantec W32.Changeup
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/AutoRun.VB.AUA
APEX Malicious
ClamAV Win.Trojan.Vobfus-8
Kaspersky Worm.Win32.Vobfus.dffg
BitDefender Gen:Variant.Barys.950
NANO-Antivirus Trojan.Win32.VB.rilrg
ViRobot Trojan.Win32.A.VB.323584.C
Avast Win32:VB-ACAJ [Trj]
Rising Trojan.VBEx!1.99EE (CLASSIC)
TACHYON Trojan/W32.VB-Agent.323584.AA
Emsisoft Gen:Variant.Barys.950 (B)
F-Secure Trojan.TR/Otran.A.7622
DrWeb Trojan.VbCrypt.60
VIPRE Gen:Variant.Barys.950
TrendMicro WORM_VOBFUS.SMJA
McAfee-GW-Edition BehavesLike.Win32.VBObfus.fm
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.e120e45ee82f3d79
Sophos Mal/SillyFDC-W
Ikarus Worm.Win32.Vobfus
Jiangmin Trojan/Vbobf.b
Avira TR/Otran.A.7622
Antiy-AVL Worm/Win32.WBNA.gen
Microsoft Worm:Win32/Vobfus.gen!X
Xcitium TrojWare.Win32.VB.AVA@4paxk7
Arcabit Trojan.Barys.950
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
ZoneAlarm Worm.Win32.Vobfus.dffg
GData Win32.Trojan.VB.ABW
Cynet Malicious (score: 100)
AhnLab-V3 HEUR/Fakon.mwf.X1381
McAfee VBObfus.dv
MAX malware (ai score=87)
VBA32 TScope.Trojan.VB
Malwarebytes Malware.AI.3346315863
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SMJA
Tencent Worm.Win32.Vobfus.n
Yandex Trojan.GenAsa!E+i3NUt6r10
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBKrypt.C!tr
BitDefenderTheta Gen:NN.ZevbaF.36250.tm0@aauLgrgi
AVG Win32:VB-ACAJ [Trj]
DeepInstinct MALICIOUS

How to remove Worm.Win32.Vobfus.dffg?

  • 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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