Categories: Backdoor

About “Backdoor:Win32/VB.KQ” infection

The Backdoor:Win32/VB.KQ 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 Backdoor:Win32/VB.KQ virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Backdoor:Win32/VB.KQ?


File Info:

name: 8C759B6FE378415A8DE4.mlwpath: /opt/CAPEv2/storage/binaries/400f80e42c45598636a93a4a19851925ec48c0adfff074c489c70e26bb187be8crc32: FCDCE5E0md5: 8c759b6fe378415a8de45b3e1afcaea7sha1: 4c8b6c206fc39fa822b4743fbcec277388656e63sha256: 400f80e42c45598636a93a4a19851925ec48c0adfff074c489c70e26bb187be8sha512: b07e90f98f37cb8f29d48d555acb8e236e7e09fefebed3c5fed196aa7fa1a45c01dd20c639d53210bf3929c1c3ad1881cf2bf1e806917e4512a837712cc38847ssdeep: 3072:wbYRk56ja1GgLE1KGx+ybBdvsr6DC1AJWiOhybP+g7ds48z9peFtvfiGTaB2eI4K:NpMpLEAU7BBs+DC1AJWiOhybP+g7ds4Qtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18904EA2FF380B732E15346742D6957E054AEF93405A59C12E7C29B9A7BE5CC3AD22383sha3_384: c807afb8e79a7bd9d1fb401333f0524229aab6b5ce59e9b9151fbc77573924c0ce89aa1d8e62d1a1b0cf7716a24447ecep_bytes: 6844244000e8f0ffffff000000000000timestamp: 2010-02-15 00:31:44

Version Info:

0: [No Data]

Backdoor:Win32/VB.KQ also known as:

Bkav W32.AIDetectMalware
DrWeb Trojan.DownLoader6.59280
MicroWorld-eScan Gen:Variant.Ser.Symmi.373
FireEye Generic.mg.8c759b6fe378415a
ALYac Gen:Variant.Ser.Symmi.373
Cylance unsafe
VIPRE Gen:Variant.Ser.Symmi.373
Sangfor Suspicious.Win32.Save.vb
Alibaba Backdoor:Win32/Reconyc.671b6a8a
Cybereason malicious.fe3784
BitDefenderTheta Gen:NN.ZevbaF.36348.lqW@auFETbo
VirIT Trojan.Win32.Scar.BMZX
Cyren W32/ABRisk.IJFW-5410
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/VB.NJJ
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Reconyc.ivis
BitDefender Gen:Variant.Ser.Symmi.373
NANO-Antivirus Trojan.Win32.Scar.bmhjz
ViRobot Trojan.Win32.A.Scar.188416.B
Avast Win32:VBMod [Trj]
Tencent Win32.Trojan.Reconyc.Umhl
Sophos Mal/Behav-001
F-Secure Trojan.TR/VB.Downloader.Gen
TrendMicro TROJ_BMZX_0000000.TOMA
McAfee-GW-Edition BehavesLike.Win32.VBObfus.cm
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Variant.Ser.Symmi.373 (B)
Ikarus Trojan.Win32.Scar
GData Gen:Variant.Ser.Symmi.373
Jiangmin Trojan/Scar.azxg
Avira TR/VB.Downloader.Gen
MAX malware (ai score=88)
Antiy-AVL Trojan/Win32.VB
Xcitium Backdoor.Win32.Amtar.~dpr1@38823r
Arcabit Trojan.Ser.Symmi.373
ZoneAlarm Trojan.Win32.Reconyc.ivis
Microsoft Backdoor:Win32/VB.KQ
Google Detected
AhnLab-V3 Trojan/Win32.Scar.C74144
McAfee GenericRXCM-TN!8C759B6FE378
VBA32 Trojan.VB.0458
Malwarebytes VB.Trojan.Generic.DDS
Panda Adware/InstantAccess
TrendMicro-HouseCall TROJ_BMZX_0000000.TOMA
Rising Backdoor.VB!8.32C (TFE:3:INXbvBhdSWL)
Yandex Trojan.GenAsa!pFdYDRyofIo
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VB.NJJ!tr
AVG Win32:VBMod [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Backdoor:Win32/VB.KQ?

  • 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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