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

What is MSIL/Filecoder.CN infection?

In this post you will locate regarding the meaning of MSIL/Filecoder.CN and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom money by a target.

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In the majority of the instances, MSIL/Filecoder.CN ransomware will advise its victims to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has presented to the sufferer’s gadget.

MSIL/Filecoder.CN Summary

These alterations can be as complies with:

  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Ciphering the files located on the target’s hard drive — so the target can no longer make use of the data;
  • Preventing normal access to the victim’s workstation;

Related domains: Ransom.SharkRaaS


The most typical channels where MSIL/Filecoder.CN Ransomware are infused are:

  • By methods of phishing emails;
  • As an effect of individual ending up on a resource that holds a destructive software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s PC or stop the tool from working in an appropriate fashion – while likewise placing a ransom note that points out the need for the sufferers to effect the settlement for the function of decrypting the records or recovering the documents system back to the first problem. In a lot of instances, the ransom money note will certainly show up when the customer restarts the PC after the system has actually already been harmed.

MSIL/Filecoder.CN distribution networks.

In different edges of the world, MSIL/Filecoder.CN expands by jumps as well as bounds. However, the ransom notes as well as techniques of extorting the ransom amount may differ relying on particular local (regional) settings. The ransom money notes and methods of obtaining the ransom amount may vary depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having actually detected some unlicensed applications enabled on the target’s device. The alert after that requires the customer to pay the ransom money.

    Faulty statements regarding illegal material.

    In nations where software program piracy is much less preferred, this technique is not as effective for the cyber scams. Additionally, the MSIL/Filecoder.CN popup alert might wrongly claim to be deriving from a law enforcement institution and also will certainly report having situated youngster pornography or other prohibited data on the device.

    MSIL/Filecoder.CN popup alert might incorrectly assert to be obtaining from a regulation enforcement organization and also will report having located kid pornography or various other illegal information on the device. The alert will likewise include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 491E9ADD
md5: 1ab9e1e2bba31b61f8a6eb41f83d161c
name: 1AB9E1E2BBA31B61F8A6EB41F83D161C.mlw
sha1: 9145563575df296047147631b4377cd7391e1ff1
sha256: 736f859488c10e8bab13baf7c4d563fa7689de36d4cfbdf00b83ddd2791eb411
sha512: 0ca1d32945df51414efd50f82ad3c59a0f458ef02d26928fefc0e76e4bfb7a00881fa4a595764183c94d522ae465b7ab8866f14330eab74ef162c5af31d79fe5
ssdeep: 6144:UcYKKOqdhr8gkg1/FXHeWH5g49m92PM48FzPkx9Eg49dHhBIiqI+JAHZ34Amjkj:iKQD8K5gEm0KFM9S9hIPI8gCAmjkjC
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

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

MSIL/Filecoder.CN also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.6913
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.GenericFC.S15904003
ALYac Gen:Variant.MSILKrypt.53
Cylance Unsafe
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Generic.8fd11245
K7GW Trojan ( 700000121 )
Cybereason malicious.2bba31
Symantec Ransom.SharkRaaS
ESET-NOD32 a variant of MSIL/Filecoder.CN
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Malware.Zusy-7067692-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.MSILKrypt.53
NANO-Antivirus Trojan.Win32.Filecoder.egybfg
MicroWorld-eScan Gen:Variant.MSILKrypt.53
Tencent Win32.Trojan.Generic.Eaxt
Ad-Aware Gen:Variant.MSILKrypt.53
Sophos Mal/Generic-R + Mal/Cryptear-A
BitDefenderTheta Gen:NN.ZemsilF.34170.Bq0@aS9pfle
VIPRE Trojan.Win32.Atom.a (v)
TrendMicro Ransom_ATOM.SM
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
Emsisoft Gen:Variant.MSILKrypt.53 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1126167
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.1B04050
Microsoft Ransom:Win32/Genasom
Arcabit Trojan.MSILKrypt.53
GData Gen:Variant.MSILKrypt.53
AhnLab-V3 Trojan/Win32.Ransom.R190466
McAfee Artemis!1AB9E1E2BBA3
MAX malware (ai score=80)
VBA32 Hoax.Crypren
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_ATOM.SM
Yandex Trojan.Crypren!rdyzy3i2p5s
Ikarus Trojan.MSIL.Filecoder
Fortinet MSIL/Atom.A!tr
AVG Win32:Trojan-gen

How to remove MSIL/Filecoder.CN virus?

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.CN 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.CN you can always ask me in the comments for getting help.

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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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