Categories: Malware

Troj/Agent-BCQB removal tips

The Troj/Agent-BCQB 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 Troj/Agent-BCQB virus can do?

  • Sample contains Overlay data
  • 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
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • Harvests cookies for information gathering

How to determine Troj/Agent-BCQB?


File Info:

name: EA7A84CEEC7D60817EA2.mlwpath: /opt/CAPEv2/storage/binaries/bc8d1b23543dfa234404ffc290ba73c294f274542985cdfa3748acbc607d5c87crc32: 49239A46md5: ea7a84ceec7d60817ea2c73e97e257c9sha1: 39ec460e310ee9ca053449a7732ccc813a46a025sha256: bc8d1b23543dfa234404ffc290ba73c294f274542985cdfa3748acbc607d5c87sha512: fb769df295d5206a9dc617c8f6cbffa37781d034a4947f8360c96df193df20d9c30e199cc7ff4ea14700926045511b8e84bbbb2d17eb3e845ee0699fd77ad32essdeep: 196608:iSazg7DSaSazg7DSaSazg7DSaSazg7DSv:ug7uGg7uGg7uGg7uvtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15D86137AF5D18437C1336E7CDC6B6754A83A7EE01D28208A7BE81C499F39781352A2D7sha3_384: f6e3b6b757ad572e05038b2be8ddda140899232275cc6a30f441e86f4642040950c85df946484bf19404be16a58b1349ep_bytes: 558becb9280000006a006a004975f953timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Troj/Agent-BCQB also known as:

Lionic Trojan.Win32.Blocker.tpV6
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Symmi.27009
ClamAV Win.Trojan.Mbrlock-9779766-0
FireEye Generic.mg.ea7a84ceec7d6081
CAT-QuickHeal Ransom.Blocker.19974
McAfee GenericRXDE-WO!EA7A84CEEC7D
Cylance unsafe
VIPRE Gen:Variant.Symmi.27009
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Starter.ali1001008
K7GW Riskware ( 0040eff71 )
K7AntiVirus Trojan ( 00548e051 )
Cyren W32/Injector.OZVT-2500
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Injector.ERFT
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Blocker.fqcy
BitDefender Gen:Variant.Symmi.27009
NANO-Antivirus Trojan.Win32.Dapato.bsjzfg
Avast Win32:MBRlock-DV [Trj]
Tencent Trojan.Win32.Blocker.zg
TACHYON Trojan-Dropper/W32.DP-Agent.8316928
Sophos Troj/Agent-BCQB
DrWeb Trojan.DownLoader6.7779
Zillya Trojan.Blocker.Win32.149701
TrendMicro Ransom_Blocker.R002C0DAV23
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Symmi.27009 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDropper.Dapato.gti
Avira DR/Delphi.Gen
Antiy-AVL GrayWare/Win32.Kryptik.ahho
Xcitium TrojWare.Win32.Injector.HO@82j6jo
Arcabit Trojan.Symmi.D6981
GData Gen:Variant.Symmi.27009
Google Detected
AhnLab-V3 Dropper/Win32.Dapato.R83155
Acronis suspicious
BitDefenderTheta AI:Packer.9896AD8521
ALYac Gen:Variant.Symmi.27009
MAX malware (ai score=87)
VBA32 TrojanRansom.Blocker
Malwarebytes Generic.Trojan.Injector.DDS
TrendMicro-HouseCall Ransom_Blocker.R002C0DAV23
Rising Ransom.Blocker!8.12A (TFE:4:U66Qx1HZP5U)
Yandex Trojan.GenAsa!a5DpXfnoP88
Ikarus Trojan.Win32.Agent
MaxSecure Trojan.Malware.9119029.susgen
Fortinet W32/Dropper.XUQ!tr
AVG Win32:MBRlock-DV [Trj]
Cybereason malicious.eec7d6
Panda Trj/Genetic.gen

How to remove Troj/Agent-BCQB?

  • 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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