Categories: Malware

Win32/Downloader.VB.B potentially unwanted removal guide

The Win32/Downloader.VB.B potentially unwanted 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Win32/Downloader.VB.B potentially unwanted virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

How to determine Win32/Downloader.VB.B potentially unwanted?


File Info:

name: 38CB62922E8A77BA386B.mlwpath: /opt/CAPEv2/storage/binaries/fd19de3c6546cdba666fc887e0692de6874b4ba1cb1c688c1ed75e8be2691862crc32: 927E9403md5: 38cb62922e8a77ba386b90accb5f6900sha1: d88d208179e9e43bb436bb6eede370e82f867ff5sha256: fd19de3c6546cdba666fc887e0692de6874b4ba1cb1c688c1ed75e8be2691862sha512: d7d403a30dbced757e7474bf18f74bb230f6918618c0bf52ca8c5cb80ecd055cb6b9a5fceea38e4158f1dc7d9e360bb019ce20340031a1411371f4e1a22d2f75ssdeep: 768:5bXs9pD/5JvPkFhQftG8rdG7UE17HGJRl0HlcYZ83VbpQap+eaDK8Ht:xCpDB9KhQftTM91Ul0qYZ8leaoea+8Htype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1BD23BFA33509F09FD9A70EB8885EDFC15E227C9957E6176B2B70D72D4C251631C0E22Esha3_384: ea16099e42e4e3a528045e024c13f582791fe8009c5276468c5c8da3931e9d1679e13bbd85102cf31d0b072d7b73392dep_bytes: b85c1442005064ff3500000000648925timestamp: 2012-06-10 05:44:13

Version Info:

Translation: 0x0409 0x04b0ProductName: YükleniyorFileVersion: 1.00ProductVersion: 1.00InternalName: programOriginalFilename: program.exe

Win32/Downloader.VB.B potentially unwanted also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb BackDoor.Generic.3244
Cynet Malicious (score: 100)
FireEye Generic.mg.38cb62922e8a77ba
McAfee RDN/Generic BackDoor
Cylance Unsafe
K7AntiVirus Trojan-Downloader ( 00434b171 )
K7GW Trojan-Downloader ( 00434b171 )
Cybereason malicious.179e9e
BitDefenderTheta AI:Packer.1C0DC72120
ESET-NOD32 a variant of Win32/Downloader.VB.B potentially unwanted
TrendMicro-HouseCall TROJ_GEN.R007C0PL521
Paloalto generic.ml
ClamAV Win.Trojan.Bifrose-15741
Kaspersky VHO:Trojan.Win32.Sdum.gen
NANO-Antivirus Trojan.Win32.VB2.wpfvr
Avast Win32:VB-AEDW [Trj]
Tencent Malware.Win32.Gencirc.114af7dd
Comodo Malware@#17laf9s6d7bgh
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R007C0PL521
Ikarus Gen.Variant.Bifrose
Jiangmin Backdoor/VBbot.mb
Webroot W32.Trojan.Gen
Avira TR/VB.Downloader.Gen
ViRobot Backdoor.Win32.A.VBbot.49664
Microsoft Trojan:Win32/Wacatac.B!ml
TACHYON Backdoor/W32.Bifrose.49664.J
VBA32 Backdoor.Generic
APEX Malicious
Yandex Backdoor.Bot!9Cu6lXurdhQ
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Magania.IDPJ!tr
AVG Win32:VB-AEDW [Trj]
Panda Trj/CI.A

How to remove Win32/Downloader.VB.B potentially unwanted?

  • 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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