Trojan

Trojan.Agent.CQST (B) removal guide

Malware Removal

The Trojan.Agent.CQST (B) 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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 Trojan.Agent.CQST (B) virus can do?

  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Trojan.Agent.CQST (B)?


File Info:

crc32: F7CFA290
md5: a177fcdb05f4f611358ed1f34a0bf887
name: A177FCDB05F4F611358ED1F34A0BF887.mlw
sha1: 5f88bffa5357adf1a2be9900c5a3c0bd24da8e33
sha256: ca607bf09fd93a5fe3c6ea3aec7e265929ee71e75dea4c6cb7de33a6a272e290
sha512: 4007c7e85bff7d297910178a0890f4e1588a1c09ad745170eb14de6a3c96521dcfdc83c0a40a17296b56bffb0220c10e9932ae6b650c1f9fa61e752f5900645e
ssdeep: 3072:eUuwMS6hhAQ5Q6Jr//hSjH/Ht2nQ7UyDzYu4Mi1JFLWJ6YzZ8zveFiW9yL4pLthC:eUu3+CU2nODzYTH1TLWduve8W2kEj1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: TODO: (c) . All rights reserved.
InternalName: AdwTest.exe
FileVersion: 1.0.0.1
CompanyName: TODO:
ProductName: TODO:
ProductVersion: 1.0.0.1
FileDescription: TODO:
OriginalFilename: AdwTest.exe
Translation: 0x0409 0x04e4

Trojan.Agent.CQST (B) also known as:

BkavW32.AIDetectVM.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Agent.CQST
FireEyeGeneric.mg.a177fcdb05f4f611
CAT-QuickHealTrojan.Mauvaise.SL1
ALYacTrojan.Agent.CQST
MalwarebytesJokeTool.Agent
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 005701231 )
BitDefenderTrojan.Agent.CQST
K7GWTrojan ( 005701231 )
Cybereasonmalicious.b05f4f
TrendMicroTROJ_NOBADY.SM
BitDefenderThetaGen:NN.ZexaF.34590.nq0@aiRt5@ai
CyrenW32/Agent.BSH.gen!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
ClamAVWin.Malware.Razy-9759519-0
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Patched.foubml
TencentTrojan.Win32.Agent.antnoa
Ad-AwareTrojan.Agent.CQST
SophosTroj/Agent-AOHK
ComodoTrojWare.Win32.Aenjaris.ABC@8hq1l4
F-SecureTrojan.TR/Crypt.ZPACK.Gen7
DrWebTrojan.MulDrop5.42246
ZillyaTrojan.Agent.Win32.1411826
InvinceaML/PE-A + Troj/Agent-AOHK
McAfee-GW-EditionBehavesLike.Win32.Trojan.dh
EmsisoftTrojan.Agent.CQST (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Agent.cqea
AviraTR/Crypt.ZPACK.Gen7
MAXmalware (ai score=81)
Antiy-AVLTrojan/Win32.Agent.WTK
MicrosoftTrojan:Win32/Aenjaris.AL!bit
ArcabitTrojan.Agent.CQST
SUPERAntiSpywareTrojan.Agent/Gen-MulDrop
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Application.BadJoke.J
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Agent.R136020
Acronissuspicious
McAfeeTrojan-FKME!A177FCDB05F4
VBA32Trojan.MulDrop
CylanceUnsafe
ZonerTrojan.Win32.31738
ESET-NOD32a variant of Win32/Agent.WTK
TrendMicro-HouseCallTROJ_NOBADY.SM
RisingTrojan.Agent!1.A728 (CLASSIC)
YandexTrojan.Agent!xO+MtW2jUbo
IkarusTrojan.Win32.Agent
eGambitUnsafe.AI_Score_96%
FortinetW32/Agent.WTK!tr
AVGWin32:MalwareX-gen [Trj]
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360HEUR/QVM19.1.1B2B.Malware.Gen

How to remove Trojan.Agent.CQST (B)?

Trojan.Agent.CQST (B) removal tool
  • 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.

About the author

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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