MSIL/Agent.CQS removal tips

The MSIL/Agent.CQS 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 MSIL/Agent.CQS virus can do?

Network activity detected but not expressed in API logs

How to determine MSIL/Agent.CQS?


File Info:
crc32: 661D5453
md5: db171c9b73c61b27881612f76c14f081
name: suspended.exe
sha1: 06c12f1bb88b5f87f285357337e27e78d433cb9d
sha256: 6328f198653603fb41b4c9a5440838163507f0fda49eb3a989aa283e2c05db1c
sha512: fc25aa9071667714708becb71345fbfd4cb56ffe84c76d4ba579d4e8c4604dca0d59f23eeb3d655d89a3f45165b2a9a40aa7d201bbde8fd2cee41f0463b3a47f
ssdeep: 1536:0mimcMkBJVIcp5SneO58LuygV3g4fxPXVu+KyAqVbA/KmVcl:0ocrXicvOCAg4RXV7KobA/K8Y
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: 
Assembly Version: 1.0.0.0
InternalName: Stub.exe
FileVersion: 1.0.0.0
CompanyName: 
LegalTrademarks: 
Comments: 
ProductName: 
ProductVersion: 1.0.0.0
FileDescription: 
OriginalFilename: Stub.exe

MSIL/Agent.CQS also known as:

Cylance	Unsafe
Sangfor	Malware
Cybereason	malicious.bb88b5
F-Prot	W32/Ransom.AY.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
APEX	Malicious
Avast	Win32:DropperX-gen [Drp]
Kaspersky	HEUR:Backdoor.MSIL.Agent.gen
Endgame	malicious (high confidence)
F-Secure	Trojan.TR/Dropper.Gen
Invincea	heuristic
Trapmine	malicious.high.ml.score
FireEye	Generic.mg.db171c9b73c61b27
Ikarus	Trojan.MSIL.Agent
Cyren	W32/Ransom.AY.gen!Eldorado
Webroot	W32.Trojan.Gen
Avira	TR/Dropper.Gen
eGambit	Unsafe.AI_Score_99%
ZoneAlarm	HEUR:Backdoor.MSIL.Agent.gen
Microsoft	Trojan:Win32/Wacatac.D!ml
AhnLab-V3	Malware/Win32.RL_Generic.C3558490
Acronis	suspicious
ESET-NOD32	a variant of MSIL/Agent.CQS
SentinelOne	DFI – Malicious PE
Fortinet	W32/Agent.CQS!tr.bdr
BitDefenderTheta	Gen:NN.ZemsilF.34108.gm0@aeIM9Qh
AVG	Win32:DropperX-gen [Drp]
CrowdStrike	win/malicious_confidence_80% (D)
Qihoo-360	HEUR/QVM03.0.F236.Malware.Gen

How to remove MSIL/Agent.CQS?

MSIL/Agent.CQS 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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