MSIL/Agent.CQS

What is MSIL/Agent.CQS infection?

In this post you will certainly find regarding the meaning of MSIL/Agent.CQS and its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to demand paying the ransom by a target.

In the majority of the cases, MSIL/Agent.CQS virus will advise its targets to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has presented to the sufferer’s device.

MSIL/Agent.CQS Summary

These modifications can be as complies with:

  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the records located on the victim’s disk drive — so the victim can no more utilize the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

MSIL/Agent.CQS

One of the most normal channels where MSIL/Agent.CQS Ransomware are infused are:

  • By means of phishing e-mails;
  • As an effect of individual winding up on a source that hosts a malicious software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s PC or stop the tool from operating in an appropriate way – while additionally putting a ransom money note that discusses the demand for the targets to impact the payment for the purpose of decrypting the documents or restoring the documents system back to the first problem. In many instances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has actually currently been damaged.

MSIL/Agent.CQS distribution channels.

In various corners of the globe, MSIL/Agent.CQS expands by jumps as well as bounds. Nevertheless, the ransom notes and techniques of extorting the ransom amount might vary relying on specific neighborhood (local) settings. The ransom notes as well as tricks of obtaining the ransom money amount might vary depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In specific locations, the Trojans often wrongfully report having spotted some unlicensed applications made it possible for on the victim’s gadget. The alert then demands the customer to pay the ransom money.

    Faulty statements about prohibited material.

    In countries where software application piracy is less popular, this method is not as efficient for the cyber fraudulences. Conversely, the MSIL/Agent.CQS popup alert may wrongly assert to be stemming from a police institution and will report having situated child porn or various other unlawful information on the tool.

    MSIL/Agent.CQS popup alert might wrongly claim to be deriving from a legislation enforcement organization and will certainly report having located youngster porn or other illegal data on the gadget. The alert will similarly include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 661D5453md5: db171c9b73c61b27881612f76c14f081name: suspended.exesha1: 06c12f1bb88b5f87f285357337e27e78d433cb9dsha256: 6328f198653603fb41b4c9a5440838163507f0fda49eb3a989aa283e2c05db1csha512: fc25aa9071667714708becb71345fbfd4cb56ffe84c76d4ba579d4e8c4604dca0d59f23eeb3d655d89a3f45165b2a9a40aa7d201bbde8fd2cee41f0463b3a47fssdeep: 1536:0mimcMkBJVIcp5SneO58LuygV3g4fxPXVu+KyAqVbA/KmVcl:0ocrXicvOCAg4RXV7KobA/K8Ytype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 1.0.0.0InternalName: Stub.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: ProductVersion: 1.0.0.0FileDescription: OriginalFilename: Stub.exe

MSIL/Agent.CQS also known as:

GridinSoft Trojan.Ransom.Gen
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 ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove MSIL/Agent.CQS you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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