Categories: Trojan

Should I remove “Trojan.Agent.CQST”?

The Trojan.Agent.CQST 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 Trojan.Agent.CQST 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
  • Network activity detected but not expressed in API logs
  • Creates a slightly modified copy of itself
  • Anomalous binary characteristics

How to determine Trojan.Agent.CQST?


File Info:

crc32: B125D845md5: a0874a86569c22900ebbf01af639f62fname: A0874A86569C22900EBBF01AF639F62F.mlwsha1: d9cce1c29401b5eafd77d19c433f50e116cc2feasha256: 829ece0fe9eb05bff4704f33b71ad73a83c2c4c68429832b5480bb2b07050f4csha512: a4d035269bf7845ff9d4eab8eabbc14eb21c92d56d376e19e1d651280d12aa984424b2b8f0a1ec8fba085639a7aab551ab217f33b01a9ad57ee2ba77f28bc054ssdeep: 3072:zA68C05sgWgg3o9mHLvTUl2aMivQ+0yqLt6hO1RBe0RTpSWCj4EXf4pLthEjQT6j:zA68I7gK3VoqR6hEe0RTpf8fkEj1type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

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

Trojan.Agent.CQST also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.CQST
FireEye Generic.mg.a0874a86569c2290
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee Trojan-FKME!A0874A86569C
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 005701231 )
BitDefender Trojan.Agent.CQST
K7GW Trojan ( 005701231 )
CrowdStrike win/malicious_confidence_100% (D)
TrendMicro TROJ_NOBADY.SM
BitDefenderTheta Gen:NN.ZexaF.34590.nq0@aiRt5@ai
Cyren W32/Agent.BSH.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
ClamAV Win.Malware.Razy-9759519-0
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Mlw.fhjbiq
Rising Trojan.Agent!1.A728 (CLASSIC)
Ad-Aware Trojan.Agent.CQST
Sophos Troj/Agent-AOHK
Comodo TrojWare.Win32.Aenjaris.ABC@8hq1l4
F-Secure Trojan.TR/Crypt.ZPACK.Gen7
DrWeb Trojan.MulDrop5.42246
Invincea ML/PE-A + Troj/Agent-AOHK
McAfee-GW-Edition BehavesLike.Win32.Trojan.dh
Emsisoft Trojan.Agent.CQST (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Agent.cqea
Avira TR/Crypt.ZPACK.Gen7
Antiy-AVL Trojan/Win32.Agent.WTK
Microsoft Trojan:Win32/Aenjaris.AL!bit
Arcabit Trojan.Agent.CQST
SUPERAntiSpyware Trojan.Agent/Gen-MulDrop
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Application.BadJoke.J
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R136020
Acronis suspicious
VBA32 Trojan.MulDrop
Malwarebytes JokeTool.Agent
Panda Trj/Genetic.gen
Zoner Trojan.Win32.31738
ESET-NOD32 a variant of Win32/Agent.WTK
TrendMicro-HouseCall TROJ_NOBADY.SM
Tencent Trojan.Win32.Agent.antno
Yandex Trojan.GenAsa!v/swy7PpdTc
MAX malware (ai score=89)
eGambit Unsafe.AI_Score_97%
Fortinet W32/Agent.WTK!tr
AVG Win32:MalwareX-gen [Trj]
Cybereason malicious.6569c2
Qihoo-360 HEUR/QVM19.1.1F63.Malware.Gen

How to remove Trojan.Agent.CQST?

  • 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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