MSIL/Filecoder.YQ

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

What is MSIL/Filecoder.YQ infection?

In this post you will discover regarding the interpretation of MSIL/Filecoder.YQ as well as its negative effect on your computer. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the instances, MSIL/Filecoder.YQ ransomware will instruct its targets to start funds transfer for the function of counteracting the changes that the Trojan infection has introduced to the sufferer’s tool.

MSIL/Filecoder.YQ Summary

These modifications can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s hard disk drive — so the victim can no longer make use of the information;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

MSIL/Filecoder.YQ

The most common networks where MSIL/Filecoder.YQ Trojans are injected 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 an effect of customer ending up on a source that organizes a malicious software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or prevent the tool from working in a proper fashion – while also placing a ransom note that states the demand for the targets to impact the payment for the purpose of decrypting the documents or restoring the data system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly come up when the client reboots the PC after the system has actually currently been harmed.

MSIL/Filecoder.YQ distribution channels.

In different corners of the globe, MSIL/Filecoder.YQ expands by leaps as well as bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom amount might differ relying on certain regional (regional) setups. The ransom money notes and tricks of extorting the ransom amount might differ depending on certain regional (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having discovered some unlicensed applications enabled on the target’s tool. The alert after that requires the user to pay the ransom.

    Faulty declarations about illegal material.

    In nations where software application piracy is much less popular, this approach is not as efficient for the cyber frauds. Conversely, the MSIL/Filecoder.YQ popup alert may falsely assert to be originating from a law enforcement organization and also will report having situated youngster porn or various other unlawful information on the device.

    MSIL/Filecoder.YQ popup alert might incorrectly claim to be deriving from a law enforcement establishment as well as will certainly report having located youngster porn or various other illegal data on the gadget. The alert will likewise include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 34FCFCD6
md5: ef6ffe7dcf8b03bc45f0c5db2e8b5efd
name: EF6FFE7DCF8B03BC45F0C5DB2E8B5EFD.mlw
sha1: d6256c0adba4c2afae4ddf42b6a05942e483589c
sha256: 935faf22f44af34fc970f49b16d29cb336918c121c3ca2c7bd3a1cf89dc642d1
sha512: 8dfc3532421d6460a1fed2fbde6f533fd61c4ba835851cfe042b72ecc107cc659fcbebbb2d08c5e4b7edc78dddff3a477776669a09447908fb792c15e608b5db
ssdeep: 49152:dwBA9vgGXN8X/aZ0hZm1pDycxh0oSkDbZm1HtZSAtE:dOogG+rZmbDyyjDbZmgAt
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2021
Assembly Version: 1.0.0.0
InternalName: fuck rats antivirus.exe
FileVersion: 1.0.0.0
CompanyName:
LegalTrademarks:
Comments:
ProductName: fuck rats antivirus
ProductVersion: 1.0.0.0
FileDescription: fuck rats antivirus
OriginalFilename: fuck rats antivirus.exe

MSIL/Filecoder.YQ also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Heur.Ransom.RTH.1
FireEye Gen:Heur.Ransom.RTH.1
Malwarebytes MachineLearning/Anomalous.97%
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Heur.Ransom.RTH.1
BitDefenderTheta Gen:NN.ZemsilF.34608.Xn0@aCK82Hb
APEX Malicious
Avast Win32:Trojan-gen
Ad-Aware Gen:Heur.Ransom.RTH.1
Sophos Mal/DotNet-L
Emsisoft Gen:Heur.Ransom.RTH.1 (B)
SentinelOne Static AI – Malicious PE
GData Gen:Heur.Ransom.RTH.1
MAX malware (ai score=81)
Arcabit Trojan.Ransom.RTH.1
ESET-NOD32 a variant of MSIL/Filecoder.YQ
ALYac Gen:Heur.Ransom.RTH.1
AVG Win32:Trojan-gen
Cybereason malicious.dcf8b0

How to remove MSIL/Filecoder.YQ ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.YQ 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:

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

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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