Categories: Malware

Win32:VB-ABUN [Trj] removal instruction

The Win32:VB-ABUN [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-ABUN [Trj] virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • 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

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


File Info:

name: C1AA545F8CED4466E08E.mlwpath: /opt/CAPEv2/storage/binaries/ef772a0d4cf0479a9904f40bc8fbd9eda2d2391f662c133510222c2326f2565ecrc32: 990F50C4md5: c1aa545f8ced4466e08e6dc96564f389sha1: 153185f02c4ce2f998e9a3b6a7ae04f4c1d67debsha256: ef772a0d4cf0479a9904f40bc8fbd9eda2d2391f662c133510222c2326f2565esha512: b29bee01640fdcaae50bc02cbb50644539384dad340ad111b0a8e2e3febe1fab78c7fe6e7d35e3665a109ff41677227e37d44aadf6bef65e90e1cc4f76e37e61ssdeep: 6144:KI0IpydVsZyxyK5R8GYKi1Xfvs1tzH51t+ewSReXNc/W:iuydfiebOiWtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T106547545AD28B03BE55584B32826C757181C2E7222D0EC67B391AB0D71712E7FAF572Fsha3_384: 5fbdfdc2cacf6179ff83bf16132541acfc26f6e10106bcdf17cddff953a93aea72ab268e4883e311a0aabf2c6b9cb222ep_bytes: 6890434000e8f0ffffff000000000000timestamp: 2012-03-20 02:03:55

Version Info:

ProductName: FileVersion: 1.00ProductVersion: 1.00InternalName: OriginalFilename: Translation: 0x0409 0x04b0

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

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Barys.950
FireEye Generic.mg.c1aa545f8ced4466
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.VBObfus.dm
McAfee VBObfus.dh
Cylance unsafe
Zillya Worm.Vobfus.Win32.1521550
Sangfor Suspicious.Win32.Save.vb
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Worm:Win32/Vobfus.b7aa8db3
K7GW EmailWorm ( 0054d10f1 )
K7AntiVirus EmailWorm ( 0054d10f1 )
BitDefenderTheta AI:Packer.DA15EC1E20
VirIT Backdoor.Win32.VB.ONM
Symantec W32.Changeup
tehtris Generic.Malware
ESET-NOD32 Win32/AutoRun.VB.ATO
APEX Malicious
TrendMicro-HouseCall WORM_VBNA.SMKC
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.efqz
BitDefender Gen:Variant.Barys.950
NANO-Antivirus Trojan.Win32.Vobfus.facmuu
SUPERAntiSpyware Trojan.Agent/Gen-Autorun
Avast Win32:VB-ABUN [Trj]
Tencent Worm.Win32.Autorun.twl
TACHYON Worm/W32.Vobfus.286720.C
Emsisoft Gen:Variant.Barys.950 (B)
Baidu Win32.Worm.Autorun.l
F-Secure Trojan.TR/VBInject.11.A.1
DrWeb Trojan.VbCrypt.60
VIPRE Gen:Variant.Barys.950
TrendMicro WORM_VBNA.SMKC
Trapmine malicious.moderate.ml.score
Sophos Mal/SillyFDC-W
Ikarus Worm.Win32.Vobfus
ALYac Gen:Variant.Barys.950
Varist W32/VBcrypt.T.gen!Eldorado
Avira TR/VBInject.11.A.1
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.999
Microsoft Worm:Win32/Vobfus!pz
Xcitium Worm.Win32.Pronny.AK@4ogvoo
Arcabit Trojan.Barys.950
ZoneAlarm Worm.Win32.Vobfus.efqz
GData Gen:Variant.Barys.950
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Jorik.R22659
Acronis suspicious
VBA32 BScope.Trojan.VB.Onechki
Google Detected
MAX malware (ai score=84)
Malwarebytes Pronny.Worm.Spreader.DDS
Panda W32/Vobfus.GEW.worm
Rising Worm.VobfusEx!1.99DB (CLASSIC)
Yandex Trojan.GenAsa!dFlQiwYYslQ
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBKrypt.C!tr
AVG Win32:VB-ABUN [Trj]
DeepInstinct MALICIOUS
alibabacloud Worm:Win/Vobfus.881ec53f

How to remove Win32:VB-ABUN [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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