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

What is Win32/Filecoder.NNS infection?

In this post you will discover regarding the definition of Win32/Filecoder.NNS as well as its negative influence on your computer system. Such ransomware are a kind of malware that is specified by on the internet frauds to require paying the ransom by a sufferer.

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In the majority of the instances, Win32/Filecoder.NNS virus will instruct its sufferers to start funds transfer for the function of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s gadget.

Win32/Filecoder.NNS Summary

These alterations can be as complies with:

  • Network activity detected but not expressed in API logs;
  • Ciphering the files found on the target’s disk drive — so the target can no more utilize the data;
  • Preventing normal access to the victim’s workstation;

Related domains:



The most regular networks where Win32/Filecoder.NNS Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that hosts a destructive software application;

As soon as the Trojan is efficiently injected, it will either cipher the information on the victim’s PC or protect against the gadget from functioning in an appropriate manner – while also putting a ransom money note that mentions the need for the targets to impact the payment for the objective of decrypting the papers or bring back the documents system back to the initial problem. In many instances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has already been damaged.

Win32/Filecoder.NNS circulation networks.

In numerous corners of the globe, Win32/Filecoder.NNS grows by jumps and bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom money amount might differ relying on certain regional (regional) settings. The ransom money notes and methods of obtaining the ransom money amount might vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In particular areas, the Trojans usually wrongfully report having actually found some unlicensed applications enabled on the victim’s gadget. The sharp after that requires the user to pay the ransom.

    Faulty statements concerning prohibited web content.

    In nations where software program piracy is less preferred, this technique is not as efficient for the cyber scams. Conversely, the Win32/Filecoder.NNS popup alert might incorrectly assert to be stemming from a law enforcement organization as well as will report having situated youngster pornography or other illegal data on the device.

    Win32/Filecoder.NNS popup alert might falsely claim to be deriving from a regulation enforcement establishment as well as will report having situated kid pornography or other prohibited data on the gadget. The alert will similarly include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 75359EC0
md5: a0b53a80c8d4a1e80b67089d72a22cdd
name: A0B53A80C8D4A1E80B67089D72A22CDD.mlw
sha1: d659471bacad1c431af03a165aa7c78bb48c576b
sha256: 77544ea0da5dd1e2b994ee800e2e7724906c65c77bb8513a8bdcecf36c6cdd2c
sha512: 424298ef7b051854e84161cd20782355341b3f7241c068a74d247f6f69b9760b8a1a6194806fcb8eefebd7470b7ad02a4b086e39ee774736ca3b9473d5b800a6
ssdeep: 6144:NCW0ytt3B/RodiHEHrI1q8Bzt87q6nfbKiKcAOtBuKCr:IWfttxSikHrIw4zt87hnJ3Cr
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.NNS also known as:

K7AntiVirusTrojan ( 005181e51 )
K7GWTrojan ( 005181e51 )
ESET-NOD32a variant of Win32/Filecoder.NNS
AvastFileRepMetagen [Malware]
EmsisoftTrojan.GenericKD.12414654 (B)
MAXmalware (ai score=100)
RisingTrojan.Generic@ML.85 (RDML:yVELc+PoDZydrrLZn7cnZw)
AVGFileRepMetagen [Malware]

How to remove Win32/Filecoder.NNS 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 Win32/Filecoder.NNS 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 Win32/Filecoder.NNS 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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