Categories: Malware

How to remove “Win32:VB-ACSO [Trj]”?

The Win32:VB-ACSO [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-ACSO [Trj] 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
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the embedded pe malware family
  • Attempts to disable Windows Auto Updates
  • 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 Win32:VB-ACSO [Trj]?


File Info:

name: 19D993466FDE70BAADDA.mlwpath: /opt/CAPEv2/storage/binaries/6d23f9d8b19ef11f7dafe097aa8b3bdbe71b05a91dff45ecaebaaaa6c41fa38dcrc32: 97A408CDmd5: 19d993466fde70baadda03c73f72c133sha1: effc88916f67ee43ef7b6c7fe8622e09b2323928sha256: 6d23f9d8b19ef11f7dafe097aa8b3bdbe71b05a91dff45ecaebaaaa6c41fa38dsha512: f7bd2d5cb3c4c3988577f34005bffc1b60275d968bbd119b95696089f66615f0bc7f5c00c15e662704f5798d7bc9d91c22c297e2aa0b95eac7db55f66238d914ssdeep: 3072:Em38bUQSxBjJhU8hPsOkeJeJ7JwJHJ6JkBTriGXfXkGN3tqZ4xoRg4Sx+Tidczfb:9UUBthhJop2pYOF0yIdgFGFtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E044D8733FA11649F46C487459F286F523E7A80F8A47404B76E022E96EFBE361D246D3sha3_384: dcfbeb91d1d7a9d0e4ecf2678e66be9e4ddf815e604d1c83cc40b9a00571d1ab41ba599d7e30d59a6fce574b77975c24ep_bytes: 68ec124000e8eeffffff000048000000timestamp: 2012-05-08 20:39:20

Version Info:

Translation: 0x0409 0x04b0ProductName: zvxvbatygqFileVersion: 7.08.0002ProductVersion: 7.08.0002InternalName: pgxclylqggkoOriginalFilename: pgxclylqggko.exe

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

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader6.6377
MicroWorld-eScan Gen:Variant.Barys.2490
FireEye Generic.mg.19d993466fde70ba
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.VBObfus.dm
McAfee GenericRXEX-NE!19D993466FDE
Cylance unsafe
Zillya Worm.VB.Win32.104618
Sangfor Virus.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Worm:Win32/Vobfus.389a8a6d
K7GW EmailWorm ( 0054d10f1 )
K7AntiVirus EmailWorm ( 0054d10f1 )
BitDefenderTheta Gen:NN.ZevbaF.36802.pm1@aqhYWyci
VirIT Trojan.Win32.Zyx.KI
Symantec W32.Changeup
tehtris Generic.Malware
ESET-NOD32 Win32/AutoRun.VB.AVS
APEX Malicious
TrendMicro-HouseCall WORM_VOBFUS.SMJA
Avast Win32:VB-ACSO [Trj]
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Email-Worm.Win32.VB.aaf
BitDefender Gen:Variant.Barys.2490
NANO-Antivirus Trojan.Win32.Vobfus.chzvjr
SUPERAntiSpyware Trojan.Agent/Gen-Vban
Tencent Worm.Win32.Vobfus.n
Emsisoft Gen:Variant.Barys.2490 (B)
F-Secure Worm.WORM/Vobfus.EY.JH.2
Baidu Win32.Worm.VB.lw
VIPRE Gen:Variant.Barys.2490
TrendMicro WORM_VOBFUS.SMJA
Trapmine malicious.high.ml.score
Sophos Mal/VBCheMan-G
MAX malware (ai score=80)
Jiangmin Trojan/Vbobf.b
Webroot W32.Obfuscated.Gen
Google Detected
Avira WORM/Vobfus.EY.JH.2
Varist W32/Vobfus.AQ.gen!Eldorado
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.1000
Microsoft Worm:Win32/Vobfus.EY
Xcitium Worm.Win32.Pronny.AK@4ogvoo
Arcabit Trojan.Barys.D9BA
ZoneAlarm Email-Worm.Win32.VB.aaf
GData Gen:Variant.Barys.2490
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Jorik.R25213
Acronis suspicious
VBA32 Worm.VB
ALYac Gen:Variant.Barys.2490
TACHYON Trojan/W32.VB-Agent.253954.B
Malwarebytes Generic.Malware.AI.DDS
Panda Trj/Genetic.gen
Rising Worm.VobfusEx!1.99DC (CLASSIC)
Yandex Trojan.GenAsa!lNcOHWDDIsw
Ikarus Worm.Win32.Vobfus
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBObfus.AU!tr
AVG Win32:VB-ACSO [Trj]
DeepInstinct MALICIOUS
alibabacloud Worm:Win/Vobfus.da936ce1

How to remove Win32:VB-ACSO [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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