What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is MSIL/Filecoder.KL infection?

In this post you will find about the meaning of MSIL/Filecoder.KL as well as its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom by a victim.

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In the majority of the situations, MSIL/Filecoder.KL ransomware will instruct its targets to initiate funds transfer for the purpose of reducing the effects of the amendments that the Trojan infection has actually presented to the target’s tool.

MSIL/Filecoder.KL Summary

These modifications can be as follows:

  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the records found on the sufferer’s disk drive — so the target can no more utilize the information;
  • Preventing normal access to the target’s workstation;

Related domains: Trojan.Ransom.FileCryptor


The most normal networks where MSIL/Filecoder.KL Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that hosts a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s computer or prevent the device from operating in an appropriate fashion – while likewise positioning a ransom money note that mentions the need for the targets to impact the settlement for the purpose of decrypting the records or bring back the file system back to the initial condition. In a lot of circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has actually already been harmed.

MSIL/Filecoder.KL circulation networks.

In different corners of the globe, MSIL/Filecoder.KL expands by jumps and also bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom money amount may differ depending upon specific regional (local) settings. The ransom notes and also methods of obtaining the ransom money amount may vary depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans often wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s device. The alert then demands the customer to pay the ransom.

    Faulty declarations about unlawful content.

    In countries where software piracy is much less preferred, this approach is not as effective for the cyber scams. Alternatively, the MSIL/Filecoder.KL popup alert might wrongly assert to be stemming from a law enforcement institution as well as will report having situated youngster porn or other unlawful information on the tool.

    MSIL/Filecoder.KL popup alert may wrongly assert to be acquiring from a law enforcement institution as well as will report having situated kid pornography or various other illegal data on the device. The alert will in a similar way contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: BE0B62D5
md5: c25a615474c6946829c9b4774ed8d64c
name: C25A615474C6946829C9B4774ED8D64C.mlw
sha1: 8309b484bb10a12a1e33bfdb9675cd5dbd315a4f
sha256: f667b8b1dc025de940e19a7a3bb13c0f7b47ab61e5d11eebdefab15526f69f6d
sha512: c8d632514ade390b2ca65e2f718b3ae293a6732cda7f0e0009459ce25c5d0a6b5bec4e550c690b2aa3f63dcd21044ffc7f0c3109dfe70cb7e968c182fb74727e
ssdeep: 1536:n1EkBr4W82/SKyRwp0eFrX07HJv8p1i53LOQ1v0VraaNDgvUxP8:n1EkBr4qnDuT7HJk/8KFRovUB8
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2017
Assembly Version:
InternalName: xRansom.exe
ProductName: xRansom
FileDescription: xRansom
OriginalFilename: xRansom.exe

MSIL/Filecoder.KL also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.MSIL.Agent.4!c
DrWeb Trojan.Encoder.15036
ALYac Trojan.Ransom.FileCryptor
Cylance Unsafe
Zillya Trojan.RansomKD.Win32.305
Alibaba Ransom:MSIL/Filecoder.bd2610e4
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Filecoder.KL
APEX Malicious
Avast Win32:XRansom-A [Trj]
Kaspersky Trojan-Ransom.MSIL.Agent.aaj
BitDefender Trojan.Ransom.BVZ
NANO-Antivirus Trojan.Win32.Ransom.euowun
MicroWorld-eScan Trojan.Ransom.BVZ
Tencent Msil.Trojan.Agent.Swas
Ad-Aware Trojan.Ransom.BVZ
Sophos Mal/Ramsil-M
Comodo Malware@#x77trse81ute
BitDefenderTheta Gen:NN.ZemsilF.34142.gm0@aO!VW5c
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_XRANSOM.A
McAfee-GW-Edition Generic.cot
FireEye Trojan.Ransom.BVZ
Emsisoft Trojan.Ransom.xRansom (A)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.MSIL.kaox
Webroot W32.Ransomware.Gen
Antiy-AVL Trojan/Generic.ASMalwS.2273024
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Genasom
ZoneAlarm Trojan-Ransom.MSIL.Agent.aaj
GData Trojan.Ransom.BVZ
McAfee Generic.cot
MAX malware (ai score=100)
VBA32 Trojan.MSIL.gen.18
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_XRANSOM.A
Yandex Trojan.Agent!NK5UJtbqNSY
Ikarus Trojan-Ransom.xRansom
Fortinet MSIL/Filecoder.KL!tr
AVG Win32:XRansom-A [Trj]

How to remove MSIL/Filecoder.KL 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.KL 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.KL 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

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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