Categories: Malware

Win32:VB-AAFJ [Trj] removal instruction

The Win32:VB-AAFJ [Trj] 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 Win32:VB-AAFJ [Trj] 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)
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Win32:VB-AAFJ [Trj]?


File Info:

name: 45F055E39DDAF814FDEE.mlwpath: /opt/CAPEv2/storage/binaries/6cfef93c663717b99f9dcde7d86b9f5aab3cf12bce6a8a8e10477e4618eeca09crc32: 2B843266md5: 45f055e39ddaf814fdee4f58e7e7461esha1: 8dca4e1a0e49feeac4d291d422b071fcc580b4eesha256: 6cfef93c663717b99f9dcde7d86b9f5aab3cf12bce6a8a8e10477e4618eeca09sha512: 0deb0389cc4b8a33a7d3c7cbae52717ccf5b8c4fe54bee49fd828ca45dbdb0a8aa8d767650f1aa1abdbc53b9039dbe8ad10b0da082ede8f3fcc413c2df40ba9fssdeep: 6144:2b4K16oTJWvfU4+bOl8femcK/fObT/bGimszUf7Wqaq:AAoTMvs4+bOlNK/fObT/bGipE7gqtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10814C816BA19B06BE553D9F05D2893A6383A6D7A13A0FC0773817F1462B01D7B8B172Fsha3_384: bb3d42f1ea7ecc4d50f5f2e8a98055e3b3571513f11f1bc073c54cf4b90795758459f208dfc63275d00919ec8cc707a5ep_bytes: 6864394000e8f0ffffff000000000000timestamp: 2011-12-08 06:54:25

Version Info:

Translation: 0x0409 0x04b0ProductName: WyDSxfFileVersion: 1.00ProductVersion: 1.00InternalName: bTNLrjCZOriginalFilename: bTNLrjCZ.exe

Win32:VB-AAFJ [Trj] also known as:

Bkav W32.AIDetectMalware
AVG Win32:VB-AAFJ [Trj]
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.Chinky.7
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.VBObfus.cm
McAfee VBObfus.ci
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.39ddaf
Baidu Win32.Worm.Autorun.l
VirIT Trojan.Win32.Vobfus.KEK
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.AQE
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Trojan.Vobfus-15
Kaspersky Worm.Win32.Vobfus.efkd
BitDefender Gen:Variant.Chinky.7
NANO-Antivirus Trojan.Win32.Vobfus.cqkyep
Avast Win32:VB-AAFJ [Trj]
Tencent Worm.Win32.Vobfus.n
Sophos W32/Vobfus-CI
F-Secure Worm.WORM/Vobfus.axqm
DrWeb Win32.HLLW.Autoruner2.17906
VIPRE Gen:Variant.Chinky.7
TrendMicro WORM_SILLY.SMOY
FireEye Generic.mg.45f055e39ddaf814
Emsisoft Gen:Variant.Chinky.7 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Worm.Vobfus.kupg
Varist W32/VBInject.BG.gen!Eldorado
Avira WORM/Vobfus.axqm
MAX malware (ai score=87)
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.999
Microsoft Worm:Win32/Vobfus.gen!O
Xcitium TrojWare.Win32.VB.AVA@4paxk7
Arcabit Trojan.Chinky.7
ViRobot Trojan.Win32.Agent.200704.AW
ZoneAlarm Worm.Win32.Vobfus.efkd
GData Gen:Variant.Chinky.7
Google Detected
AhnLab-V3 Trojan/Win32.Jorik.R17307
Acronis suspicious
BitDefenderTheta Gen:NN.ZevbaF.36802.mm0@aOPzjQji
ALYac Gen:Variant.Chinky.7
TACHYON Worm/W32.Vobfus.200704
VBA32 BScope.Trojan.Diple
Cylance unsafe
Panda W32/Vobfus.GEW.worm
TrendMicro-HouseCall WORM_SILLY.SMOY
Rising Worm.AutoRun!1.E3C6 (CLASSIC)
Yandex Trojan.GenAsa!slw+RD9t9OE
Ikarus Trojan.Win32.Diple
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Diple.EJQE!tr
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)
alibabacloud Worm:Win/Vobfus.0c1231ec

How to remove Win32:VB-AAFJ [Trj]?

  • 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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