Categories: Worm

What is “Worm:Win32/Vobfus.CK”?

The Worm:Win32/Vobfus.CK 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.CK 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)
  • CAPE detected the embedded pe malware family
  • Anomalous binary characteristics
  • 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.CK?


File Info:

name: AD8BF8FDD619D4B487BC.mlwpath: /opt/CAPEv2/storage/binaries/e21159c68ac8ef5c8b1f1f871eee259f8a6d092e6a6b032cf21c1029f2a67312crc32: 36566A84md5: ad8bf8fdd619d4b487bc3aa5c43f3b8csha1: 8bb6d0ac90eab2b666c77be9d4de3a7719dfc1efsha256: e21159c68ac8ef5c8b1f1f871eee259f8a6d092e6a6b032cf21c1029f2a67312sha512: 30e736c54b1b33d00ec34ff0c950bfbb43dd1907990f42515e8aa4222bf964b55a08e30dcb5b90d354f4e93daffcfe20084ddb3aebb2edda097e224abb5f69a2ssdeep: 1536:MiFWy0pvsgZJTtC7PCtm27OhBefCBpwh8jEFmViEgTEE+jakJnP:M0nKUgfo7PC5joEFIiEzakNtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1BCC3A2297791F63FD426C7F82D1A43A0806AAD3821E5AD13F7C54A1673F6E978321783sha3_384: 593fdff50f88342a283bfcd09b5211d97ee546e9b8399d19855717885dc0ecb40996f9b18d4f42c10561d6bde2c51fedep_bytes: 6854334000e8f0ffffff000000000000timestamp: 2011-06-19 04:04:23

Version Info:

Translation: 0x0409 0x04b0ProductName: CjAlSoWGpjvttFileVersion: 1.00ProductVersion: 1.00InternalName: jNtaSJUxOriginalFilename: jNtaSJUx.exe

Worm:Win32/Vobfus.CK also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.WBNA.lr3L
AVG Win32:VB-ABDC [Drp]
MicroWorld-eScan Gen:Variant.Chinky.6
FireEye Generic.mg.ad8bf8fdd619d4b4
CAT-QuickHeal Trojan.Vobfus.gen
Skyhigh BehavesLike.Win32.VBObfus.cm
McAfee VBObfus.g
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Malware:Win32/km_2ff15.None
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (D)
BitDefenderTheta AI:Packer.DFF8799C20
VirIT Trojan.Win32.VBKrypt.DQIH
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/AutoRun.VB.ADL
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Worm.VB-1567
Kaspersky Worm.Win32.WBNA.apa
BitDefender Gen:Variant.Chinky.6
NANO-Antivirus Trojan.Win32.Chinky.covkqs
SUPERAntiSpyware Trojan.Agent/Gen-Autorun
Avast Win32:VB-ABDC [Drp]
Tencent Worm.Win32.Wbna.pf
Emsisoft Gen:Variant.Chinky.6 (B)
Baidu Win32.Worm.Pronny.d
F-Secure Trojan.TR/Chinky.118784
DrWeb Trojan.VbCrypt.60
VIPRE Gen:Variant.Chinky.6
TrendMicro WORM_VOBFUS.SMHE
Trapmine malicious.high.ml.score
Sophos Mal/VB-XV
SentinelOne Static AI – Malicious PE
Varist W32/VB.DD.gen!Eldorado
Avira TR/Chinky.118784
MAX malware (ai score=86)
Antiy-AVL Worm/Win32.WBNA.gen
Microsoft Worm:Win32/Vobfus.CK
Xcitium TrojWare.Win32.Diple.HJ@4ln2s1
Arcabit Trojan.Chinky.6
ZoneAlarm Worm.Win32.WBNA.apa
GData Gen:Variant.Chinky.6
Google Detected
AhnLab-V3 Trojan/Win32.VBKrypt.R18935
Acronis suspicious
VBA32 BScope.Trojan.Diple
ALYac Gen:Variant.Chinky.6
TACHYON Trojan/W32.VB-Agent.118784.HU
Cylance unsafe
Panda W32/Vobfus.GEP
TrendMicro-HouseCall WORM_VOBFUS.SMHE
Rising Worm.Vobfus!8.10E (TFE:3:pkbOmJIkX2U)
Yandex Trojan.GenAsa!5WjM+rXzNbI
Ikarus Virus.Worm.SuspectCRC
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/WBNA.AOW!worm
Cybereason malicious.dd619d
DeepInstinct MALICIOUS
alibabacloud Worm.Win.Vobfus.61e180c8

How to remove Worm:Win32/Vobfus.CK?

  • 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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