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

What is Win32/Filecoder.NNN infection?

In this post you will certainly discover concerning the interpretation of Win32/Filecoder.NNN as well as its adverse impact on your computer. Such ransomware are a kind of malware that is specified by on the internet frauds to demand paying the ransom money by a target.

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In the majority of the cases, Win32/Filecoder.NNN virus will instruct its sufferers to launch funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has presented to the target’s gadget.

Win32/Filecoder.NNN Summary

These modifications can be as follows:

  • A process created a hidden window;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the records found on the victim’s hard disk — so the sufferer can no longer utilize the data;
  • Preventing normal access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains Trojan.Ransom.LockBox Trojan.Ransom.LockBox


One of the most normal channels whereby Win32/Filecoder.NNN Trojans are infused 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 a consequence of customer ending up on a source that holds a destructive software;

As soon as the Trojan is effectively infused, it will either cipher the information on the target’s computer or stop the device from working in an appropriate manner – while additionally positioning a ransom money note that points out the requirement for the targets to impact the repayment for the objective of decrypting the records or restoring the documents system back to the initial problem. In most instances, the ransom note will certainly show up when the client reboots the PC after the system has currently been harmed.

Win32/Filecoder.NNN distribution channels.

In different edges of the world, Win32/Filecoder.NNN expands by leaps as well as bounds. Nevertheless, the ransom notes and tricks of extorting the ransom money quantity might vary depending on certain local (local) settings. The ransom notes as well as tricks of extorting the ransom money quantity may vary depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having identified some unlicensed applications allowed on the victim’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding illegal content.

    In nations where software application piracy is less prominent, this method is not as reliable for the cyber scams. Alternatively, the Win32/Filecoder.NNN popup alert might wrongly claim to be deriving from a police establishment and will report having located child pornography or various other unlawful information on the tool.

    Win32/Filecoder.NNN popup alert might falsely declare to be acquiring from a law enforcement establishment and will certainly report having located child pornography or various other illegal data on the gadget. The alert will in a similar way have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 4CBAD1CD
md5: f148227cde7e2de7a46e9356765ad5ab
name: F148227CDE7E2DE7A46E9356765AD5AB.mlw
sha1: ea4cfc4cfcaf3f143360a72b3ea5a7f528600edb
sha256: a0189bb8ec672a10cd66f50d4528933a893292a0d92d69e11df18ff4282703ff
sha512: bfb3af16346c3fddf81aece9ace39f8e47b681d785bd49dcd33183376f8a57c03db7582f88185b4eb31c606ad66bc5c072aecbf90282a8ec76e06c345a1b1d7b
ssdeep: 24576:GF5MQ+Tz0w2NGqT98lHmv3Dh0G+VseFOWlxhWS1JDf:OOjN/GaJVZHf
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.NNN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005167c61 )
DrWeb Trojan.Encoder.13957
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.LockBox
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.8483
Sangfor Trojan.Win32.Filecoder.8
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Filecoder.ed807056
K7GW Trojan ( 005167c61 )
Cybereason malicious.cde7e2
Symantec Ransom.Gen
ESET-NOD32 Win32/Filecoder.NNN
APEX Malicious
Avast Win32:Malware-gen
BitDefender Gen:Variant.Ransom.Generic.1
NANO-Antivirus Trojan.Win32.Ransom.eroqqb
MicroWorld-eScan Gen:Variant.Ransom.Generic.1
Tencent Win32.Trojan.Filecoder.Eacu
Ad-Aware Gen:Variant.Ransom.Generic.1
Sophos Mal/Generic-S
BitDefenderTheta AI:Packer.6E8A73641F
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_LOCKBOX.A
Emsisoft Gen:Variant.Ransom.Generic.1 (B)
Avira TR/Ransom.ocnbp
eGambit Unsafe.AI_Score_74%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:MacOS/Filecoder
GData Win32.Trojan-Ransom.Filecoder.BU
AhnLab-V3 Unwanted/Win32.Agent.C2070591
McAfee GenericRXCE-QL!F148227CDE7E
MAX malware (ai score=100)
Malwarebytes MachineLearning/Anomalous.96%
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_LOCKBOX.A
Rising Trojan.Filecoder!8.68 (CLOUD)
Yandex Trojan.GenAsa!+rsQtXdvdMo
Ikarus Trojan-Ransom.LockBox
MaxSecure Trojan.Malware.300983.susgen
Fortinet Generik.MRSWBGH!tr
AVG Win32:Malware-gen

How to remove Win32/Filecoder.NNN virus?

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.NNN 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.NNN 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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