Categories: Malware

What is “Win32:VB-RXB [Trj]”?

The Win32:VB-RXB [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-RXB [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
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

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


File Info:

name: 4871A2D1C60278C59CA9.mlwpath: /opt/CAPEv2/storage/binaries/faf43955a869bc1428a59f631a94b6877cb8b6b547cf3dfed9bdb9a068026435crc32: DA74D663md5: 4871a2d1c60278c59ca991c2de57ac0bsha1: 232336a7614f97f7c036917448ff80d170735615sha256: faf43955a869bc1428a59f631a94b6877cb8b6b547cf3dfed9bdb9a068026435sha512: df89166727ddd3be849d92fef44b3409899a9c118a7085c7532bbf9fda7be6fbb2b58a65cc928fced995587d35147427e00f7a52502df9e1963f518823e7d99fssdeep: 6144:X2+HpDuIqCHE28LuU4SDOZ+5H88EZeeSzbjnNu91RrqI/:XdDuxamSUDO4HfEZeeSLnA91type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17C442054B380A9BBE4B18DF9A785039300946E3899E57313B3C1571A66F9CE6C3707EBsha3_384: 0c1fc2bbb254d78573a5d68359f4d7d2fa4bffb4bfdbe186e6772224896c9a41330fdd669867a3da1b7625576c944ec1ep_bytes: 68f03e4000e8eeffffff000000000000timestamp: 2002-10-22 09:26:50

Version Info:

Translation: 0x0409 0x04b0ProductName: wxOQQWsiskZifmoLQqrhQEuuEFileVersion: 3.21ProductVersion: 3.21InternalName: UVoAzVLriGcOriginalFilename: UVoAzVLriGc.exe

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

Bkav W32.AIDetectMalware
Lionic Worm.Win32.WBNA.low6
AVG Win32:VB-RXB [Trj]
DrWeb Trojan.VbCrypt.60
MicroWorld-eScan Gen:Trojan.Heur.ZGY.5
FireEye Generic.mg.4871a2d1c60278c5
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.Generic.dm
McAfee VBObfus.g
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Worm:Win32/Vobfus.13cca30b
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta AI:Packer.254A2CEF15
VirIT Trojan.Win32.Zyx.I
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.ACE
Cynet Malicious (score: 100)
APEX Malicious
Avast Win32:VB-RXB [Trj]
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.WBNA.rw
BitDefender Gen:Trojan.Heur.ZGY.5
NANO-Antivirus Trojan.Win32.WBNA.dxvkuz
Rising Worm.Vobfus!8.10E (TFE:1:kKhgLbMGacF)
Emsisoft Gen:Trojan.Heur.ZGY.5 (B)
F-Secure Trojan.TR/Dropper.Gen
Baidu Win32.Worm.Autorun.ac
VIPRE Gen:Trojan.Heur.ZGY.5
TrendMicro WORM_VOBFUS.SMHC
Trapmine malicious.high.ml.score
Sophos Mal/VBCheMan-J
SentinelOne Static AI – Malicious PE
Varist W32/Vobfus.O.gen!Eldorado
Avira TR/Dropper.Gen
MAX malware (ai score=88)
Antiy-AVL Virus/Win64.Expiro.rsrc
Kingsoft malware.kb.a.1000
Microsoft Worm:Win32/Vobfus!pz
Xcitium Worm.Win32.Autorun.BAZK@592clb
Arcabit Trojan.Heur.ZGY.5
ViRobot Worm.Win32.Vobfus.233472
ZoneAlarm Worm.Win32.WBNA.rw
GData Gen:Trojan.Heur.ZGY.5
Google Detected
AhnLab-V3 Worm/Win.WBNA.R537443
Acronis suspicious
VBA32 BScope.Worm.WBNA
ALYac Gen:Trojan.Heur.ZGY.5
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SMHC
Tencent Worm.Win32.WBNA.hm
Yandex Trojan.GenAsa!++H30eqdpfY
Ikarus Worm.Win32.Vobfus
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/CoinMiner.F
Cybereason malicious.1c6027
DeepInstinct MALICIOUS
alibabacloud Trojan.Win.UnkAgent

How to remove Win32:VB-RXB [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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