Written by Robert Bailey

What is MSIL/Agent.CFQ infection?

In this short article you will discover about the definition of MSIL/Agent.CFQ and also its adverse influence on your computer system. Such ransomware are a form of malware that is elaborated by on-line scams to require paying the ransom money by a victim.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the cases, MSIL/Agent.CFQ ransomware will instruct its victims to initiate funds move for the objective of neutralizing the changes that the Trojan infection has presented to the victim’s device.

MSIL/Agent.CFQ Summary

These modifications can be as follows:

  • 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 papers situated on the target’s hard disk drive — so the victim can no longer use the information;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains Gen:Variant.Ransom.Samas.9 Gen:Variant.Ransom.Samas.9


One of the most regular channels where MSIL/Agent.CFQ are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of individual ending up on a source that organizes a malicious software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the target’s computer or avoid the device from working in an appropriate way – while likewise positioning a ransom note that mentions the demand for the targets to effect the repayment for the objective of decrypting the records or bring back the data system back to the preliminary problem. In many instances, the ransom money note will certainly come up when the customer restarts the PC after the system has actually already been harmed.

MSIL/Agent.CFQ distribution networks.

In various corners of the globe, MSIL/Agent.CFQ expands by jumps as well as bounds. However, the ransom notes as well as methods of obtaining the ransom money amount might differ depending upon specific neighborhood (regional) settings. The ransom notes and methods of extorting the ransom amount may differ depending on particular local (regional) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the victim’s device. The alert then requires the individual to pay the ransom.

    Faulty declarations regarding prohibited web content.

    In nations where software application piracy is less popular, this method is not as reliable for the cyber fraudulences. Conversely, the MSIL/Agent.CFQ popup alert might falsely claim to be stemming from a law enforcement institution as well as will report having located child pornography or other illegal data on the device.

    MSIL/Agent.CFQ popup alert may wrongly declare to be deriving from a law enforcement organization as well as will certainly report having located child porn or other illegal information on the device. The alert will similarly contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: DC23AC81
md5: 3fababcd18fd8a986676ea55cdc16d14
name: upload_file
sha1: c8d0ae13d809e5fb75f518f286f86b1e81c5b40a
sha256: 8adeeedad895d174c55f2d43c1985ff77fc533975cfde64f8dfd99782e4c4b9f
sha512: b1fa14423b6e67ffba96d8acb3b7b63f3cd4dc3b9665fa2e7ad07cdbb8a7cd92e2523e71786e78dc1f71a742d121c8330d76bc928efe80f4f60300813f57fc02
ssdeep: 768:zu/6ZTgoiziWUUM9rmo2qrH0EKaqEYDPIGzjbJgX3VqA+iOI8yhVdBDZvx:zu/6ZTgle2CUMG3bGXlWiOIDVzdvx
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
Assembly Version:
InternalName: Stub.exe
OriginalFilename: Stub.exe

MSIL/Agent.CFQ also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.Samas.9
CAT-QuickHeal Trojan.IgenericFC.S14890850
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 005678321 )
BitDefender Gen:Variant.Ransom.Samas.9
K7GW Trojan ( 005678321 )
Cybereason malicious.d18fd8
Invincea Generic ML PUA (PUA)
Cyren W32/MSIL_Troj.UP.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DropperX-gen [Drp]
ClamAV Win.Packed.Samas-7998113-0
Kaspersky HEUR:Backdoor.MSIL.Crysan.gen
Rising Backdoor.AsyncRAT!1.C678 (CLASSIC)
Ad-Aware Gen:Variant.Ransom.Samas.9
F-Secure Trojan.TR/Dropper.Gen
DrWeb Trojan.Siggen9.56514
Zillya Trojan.Agent.Win32.1336542
McAfee-GW-Edition GenericRXKP-GK!3FABABCD18FD
Emsisoft Gen:Variant.Ransom.Samas.9 (B)
Ikarus Trojan.MSIL.Agent
Jiangmin Backdoor.MSIL.cxnh
Avira TR/Dropper.Gen
Antiy-AVL Trojan[Backdoor]/MSIL.Crysan
Microsoft Trojan:MSIL/Ursu.KP
Arcabit Trojan.Ransom.Samas.9
ZoneAlarm HEUR:Backdoor.MSIL.Crysan.gen
GData Gen:Variant.Ransom.Samas.9
Cynet Malicious (score: 90)
AhnLab-V3 Malware/Win32.RL_Generic.C3558490
BitDefenderTheta Gen:NN.ZemsilF.34254.cm0@aqmIfhm
ALYac Gen:Variant.Ransom.Samas.9
MAX malware (ai score=83)
Malwarebytes Backdoor.NyanWorm
ESET-NOD32 a variant of MSIL/Agent.CFQ
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet MSIL/Agent.CFQ!tr
AVG Win32:DropperX-gen [Drp]
CrowdStrike win/malicious_confidence_100% (D)

How to remove MSIL/Agent.CFQ 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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 will automatically start scanning your system for MSIL/Agent.CFQ files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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