Written by Robert Bailey

What is MSIL/Filecoder.AJT infection?

In this post you will locate concerning the meaning of MSIL/Filecoder.AJT and also its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by on-line frauds to demand paying the ransom money by a victim.

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In the majority of the instances, MSIL/Filecoder.AJT ransomware will advise its sufferers to launch funds transfer for the objective of counteracting the modifications that the Trojan infection has introduced to the victim’s device.

MSIL/Filecoder.AJT Summary

These alterations can be as adheres to:

  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the files found on the sufferer’s hard drive — so the sufferer can no longer use the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains: Trojan-Ransom.FileCrypter Trojan-Ransom.FileCrypter


One of the most regular channels whereby MSIL/Filecoder.AJT Ransomware are injected are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a source that holds a harmful software program;

As soon as the Trojan is efficiently injected, it will either cipher the information on the victim’s PC or protect against the device from operating in an appropriate way – while also placing a ransom money note that states the need for the sufferers to effect the repayment for the objective of decrypting the files or restoring the file system back to the first problem. In a lot of instances, the ransom note will show up when the client restarts the PC after the system has actually already been damaged.

MSIL/Filecoder.AJT distribution channels.

In various corners of the world, MSIL/Filecoder.AJT expands by jumps and also bounds. However, the ransom money notes and techniques of extorting the ransom money amount may differ relying on specific local (local) settings. The ransom money notes and tricks of obtaining the ransom quantity may vary depending on particular regional (regional) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software application.

    In specific areas, the Trojans often wrongfully report having found some unlicensed applications allowed on the sufferer’s tool. The alert then requires the individual to pay the ransom money.

    Faulty statements about prohibited material.

    In nations where software program piracy is less popular, this technique is not as reliable for the cyber frauds. Alternatively, the MSIL/Filecoder.AJT popup alert may falsely declare to be stemming from a law enforcement organization and will certainly report having situated kid porn or other illegal information on the tool.

    MSIL/Filecoder.AJT popup alert may wrongly declare to be acquiring from a law enforcement organization and will certainly report having situated youngster pornography or other unlawful information on the gadget. The alert will similarly consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 80617EB7
md5: 06f92e34fc3e12d71b56425c2ca22a9c
name: 06F92E34FC3E12D71B56425C2CA22A9C.mlw
sha1: fbfc860fbed23125ba9e7e52bb9f10de6a8f683f
sha256: a9320e13e8be43d3ff4dd28816d651916ec414dbeb32ea4495dba8d65fd3ecd7
sha512: 4ddf6b09f75c7f037ea682c762995987a6145d0b2abb154f60aa3a11c602f7fe23c8325eaae7d3db45e701d8e81572b43b493af870a8783ca07927edb4bab3c7
ssdeep: 96:oSICIiH3M/qLyBtuZaoX8RQrJSoJjnpIiJgdE2q3c2GzNt:oD3CLy3uPsRiJxFnpIiJgddqxA
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

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

MSIL/Filecoder.AJT also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.MSIL.Stealer.i!c
Elastic malicious (high confidence)
Cynet Malicious (score: 99)
CAT-QuickHeal Trojanpws.Msil
ALYac Gen:Variant.Bulz.474130
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba TrojanPSW:MSIL/Filecoder.663bc619
Cybereason malicious.fbed23
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Filecoder.AJT
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-PSW.MSIL.Stealer.gen
BitDefender Gen:Variant.Bulz.474130
MicroWorld-eScan Gen:Variant.Bulz.474130
Ad-Aware Gen:Variant.Bulz.474130
Sophos Mal/Generic-S (PUA)
BitDefenderTheta Gen:NN.ZemsilCO.34796.am0@aK6o1Gj
TrendMicro TROJ_GEN.R002C0WGG21
McAfee-GW-Edition Artemis!Trojan
FireEye Gen:Variant.Bulz.474130
Emsisoft Trojan.FileCoder (A)
SentinelOne Static AI – Suspicious PE
Avira TR/Redcap.fejej
Microsoft Trojan:Win32/Tiggre!rfn
GData Gen:Variant.Bulz.474130
AhnLab-V3 Trojan/Win.Generic.C4475721
McAfee Artemis!06F92E34FC3E
MAX malware (ai score=81)
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R002C0WGG21
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.300983.susgen
Fortinet PossibleThreat
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.Generic.HgIASYUA

How to remove MSIL/Filecoder.AJT 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

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

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/Filecoder.AJT 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/Filecoder.AJT 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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