Written by Robert Bailey

What is MSIL/Filecoder.OF infection?

In this article you will locate concerning the definition of MSIL/Filecoder.OF and also its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by on the internet frauds to demand paying the ransom money by a sufferer.

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It is better to prevent, than repair and repent!

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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In the majority of the instances, MSIL/Filecoder.OF infection will instruct its sufferers to launch funds move for the function of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s gadget.

MSIL/Filecoder.OF Summary

These modifications can be as follows:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard drive — so the target 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.


The most regular channels where MSIL/Filecoder.OF Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a resource that organizes a malicious software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s computer or prevent the gadget from functioning in a proper manner – while also placing a ransom money note that discusses the demand for the targets to impact the settlement for the purpose of decrypting the files or restoring the file system back to the preliminary condition. In the majority of circumstances, the ransom note will certainly come up when the customer reboots the PC after the system has actually already been harmed.

MSIL/Filecoder.OF circulation channels.

In numerous edges of the globe, MSIL/Filecoder.OF expands by leaps as well as bounds. Nevertheless, the ransom money notes and methods of obtaining the ransom money amount may vary depending upon specific regional (regional) settings. The ransom money notes and techniques of obtaining the ransom money quantity may vary depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the target’s device. The sharp after that demands the customer to pay the ransom money.

    Faulty statements concerning prohibited content.

    In countries where software application piracy is much less preferred, this method is not as reliable for the cyber frauds. Conversely, the MSIL/Filecoder.OF popup alert may wrongly claim to be stemming from a police institution as well as will certainly report having situated kid porn or other prohibited information on the tool.

    MSIL/Filecoder.OF popup alert may wrongly declare to be acquiring from a legislation enforcement organization and will report having located child porn or other prohibited data on the device. The alert will similarly include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: C20E174D
md5: c1a42aedde4999e452af3480244a2e16
name: C1A42AEDDE4999E452AF3480244A2E16.mlw
sha1: 201c12bfda71f46714b60807abc7dcf543cfdace
sha256: 70578dd1e6c9a40a7dfea362088949d6bcba3797d33fd02a425a65162f965d6c
sha512: 461875c0cdd1b2bff422dfc7a1be6169e53ba9ee1609105ebac6094d36d82a7606733f048df6862406a523682bff54a505983aa679940e30d28d367bbb72eb79
ssdeep: 384:+sTnS5ookwTwAXu3kzrZQmYurDl0pHDbYKKe0v/W+s4nAWHa7M:LTdyPnrDl0BD8KhNR41Ht
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright 2018
Assembly Version: 1.0.6771.30175
InternalName: FilesEncrypted.exe
FileVersion: 1.0.6771.30175
ProductName: x412x441x435 x432x430x448x438 x444x430x439x43bx44b x431x44bx43bx438 x437x430x448x438x444x440x43ex432x430x43dx44b!
ProductVersion: 1.0.6771.30175
FileDescription: x412x441x435 x432x430x448x438 x444x430x439x43bx44b x431x44bx43bx438 x437x430x448x438x444x440x43ex432x430x43dx44b!
OriginalFilename: FilesEncrypted.exe

MSIL/Filecoder.OF also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
DrWeb Trojan.Encoder.26485
MicroWorld-eScan Generic.Ransom.Tulib.0C2C1C53
ALYac Trojan.Ransom.HiddenTear
Cylance Unsafe
Alibaba Trojan:MSIL/Filecoder.608ebc06
K7GW Riskware ( 0040eff71 )
Cybereason malicious.dde499
Symantec Trojan Horse
ESET-NOD32 a variant of MSIL/Filecoder.OF
APEX Malicious
Avast Win32:Malware-gen
BitDefender Generic.Ransom.Tulib.0C2C1C53
Ad-Aware Generic.Ransom.Tulib.0C2C1C53
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.Ransom.Tulib.0C2C1C53
Emsisoft Generic.Ransom.Tulib.0C2C1C53 (B)
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/AgentTesla!ml
AegisLab Trojan.Win32.HiddenTears.4!c
GData Generic.Ransom.Tulib.0C2C1C53
McAfee Artemis!C1A42AEDDE49
Panda Trj/GdSda.A
Rising Trojan.Tiggre!8.ED98 (CLOUD)
Yandex Trojan.Encoder!VbwqLcAbCp4
Fortinet PossibleThreat
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.Ransom.786

How to remove MSIL/Filecoder.OF 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.OF 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.OF 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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