Categories: Malware

About “Win32:VB-AETI [Trj]” infection

The Win32:VB-AETI [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-AETI [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
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

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


File Info:

name: 70838D5D234295034AC9.mlwpath: /opt/CAPEv2/storage/binaries/90ea334de78f493444da2eb152fec85d7b0891f8c2bce75c43a1a1e9e96bd9f2crc32: FC2A294Emd5: 70838d5d234295034ac9e5a76b4a859fsha1: dbac8f81818d3bd1933e0fd04d63992e355069absha256: 90ea334de78f493444da2eb152fec85d7b0891f8c2bce75c43a1a1e9e96bd9f2sha512: 7c0396002e6b5666242f05697b87b647ca67388ae231d2d9e7888bea8ff9b0338f32f63ce3ff91d56490907b30690e3fa6ce619fc0ca11dd3f85df88543294a2ssdeep: 6144:/FZXQ0OqFNLVJ6S0lE+6LVjlWPuEwTIwMe/wwU3ch:/z1hNLVJ/nLVjlWPuEwamtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19B44C72A62D0F33AE121CAF56D5983B4452EBC3115C6A807F7C12F1A77B1DA7A231727sha3_384: 466500a0b618fcfaffd08bfb97de3bb02e5ab4f9fde467cde1c0a726cac6c9222f45a0b131b637a998cc78d74284e8bdep_bytes: 68ac4a4000e8eeffffff000000000000timestamp: 2012-10-13 18:27:31

Version Info:

Translation: 0x0409 0x04b0ProductName: CroupinessFileVersion: 6.53ProductVersion: 6.53InternalName: SilvanusOriginalFilename: Silvanus.exe

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

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Barys.950
ClamAV Win.Packer.VBCrypt-5731517-0
FireEye Generic.mg.70838d5d23429503
CAT-QuickHeal Trojan.Beebone.D
ALYac Gen:Variant.Barys.950
Malwarebytes VBObfus.Worm.Spreader.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.d23429
Baidu Win32.Worm.Pronny.d
VirIT Trojan.Win32.Generic.CKRZ
Cyren W32/Vobfus.BE.gen!Eldorado
Symantec W32.Changeup
ESET-NOD32 a variant of Win32/VBObfus.CZ
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Jorik.Vobfus.gdcp
BitDefender Gen:Variant.Barys.950
NANO-Antivirus Trojan.Win32.Barys.cinaxh
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-AETI [Trj]
Tencent Trojan.Win32.Jorik.co
Sophos Mal/SillyFDC-W
F-Secure Trojan.TR/Barys.2655987
DrWeb Trojan.DownLoader7.7390
VIPRE Gen:Variant.Barys.950
TrendMicro WORM_VOBFUS.SMIV
McAfee-GW-Edition BehavesLike.Win32.VBObfus.dm
Emsisoft Gen:Variant.Barys.950 (B)
Ikarus Trojan.Win32.Otran
GData Win32.Worm.Vobfus.NPBFWM
Jiangmin Worm/Vobfus.ivb
Webroot W32.Malware.Gen
Avira TR/Barys.2655987
MAX malware (ai score=86)
Antiy-AVL Worm/Win32.WBNA.gen
Xcitium TrojWare.Win32.Pronny.EE@4qvpy8
Arcabit Trojan.Barys.950
ViRobot Worm.Win32.A.Vobfus.270336
ZoneAlarm Trojan.Win32.Jorik.Vobfus.gdcp
Microsoft Worm:Win32/Vobfus.gen!X
Google Detected
AhnLab-V3 Worm/Win32.Vobfus.R42639
McAfee GenDownloader.rv
TACHYON Trojan/W32.VB-Jorik.270336.E
VBA32 BScope.Trojan.Diple
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SMIV
Rising Worm.Win32.WBNA.r (CLASSIC)
MaxSecure Trojan.Malware.4717440.susgen
Fortinet W32/VBKrypt.C!tr
BitDefenderTheta AI:Packer.9257C83A20
AVG Win32:VB-AETI [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32:VB-AETI [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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