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

What is Win32/Filecoder.NHJ infection?

In this article you will certainly find concerning the interpretation of Win32/Filecoder.NHJ and its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom money by a sufferer.

GridinSoft Anti-Malware Review
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.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Most of the instances, Win32/Filecoder.NHJ infection will certainly advise its victims to start funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s tool.

Win32/Filecoder.NHJ Summary

These modifications can be as adheres to:

  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Installs itself for autorun at Windows startup;
  • Ciphering the documents located on the target’s hard drive — so the victim can no more make use of the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains: Ransom:Win32/Enckerbee


One of the most common networks whereby Win32/Filecoder.NHJ are injected are:

  • By methods of phishing e-mails;
  • As a consequence of individual winding up on a resource that holds a harmful software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or avoid the device from operating in a proper way – while additionally positioning a ransom money note that points out the demand for the victims to impact the settlement for the objective of decrypting the files or restoring the data system back to the initial condition. In the majority of circumstances, the ransom note will show up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Win32/Filecoder.NHJ circulation networks.

In different edges of the globe, Win32/Filecoder.NHJ expands by jumps and bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom amount might differ relying on certain neighborhood (regional) setups. The ransom money notes as well as methods of extorting the ransom money amount might vary depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the target’s device. The sharp then requires the individual to pay the ransom money.

    Faulty statements about unlawful web content.

    In countries where software program piracy is less popular, this technique is not as reliable for the cyber scams. Conversely, the Win32/Filecoder.NHJ popup alert may falsely claim to be originating from a law enforcement institution and will report having situated kid porn or various other illegal information on the gadget.

    Win32/Filecoder.NHJ popup alert might falsely declare to be obtaining from a law enforcement organization and will certainly report having located youngster porn or various other illegal data on the device. The alert will similarly consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 9DF8DCE9
md5: 4b654eed4ec118423c45a581705e3a39
name: 4B654EED4EC118423C45A581705E3A39.mlw
sha1: 3828e327beb8c05c2955257fb8ec641aa03174fe
sha256: 5644e510c6b502532c883057f1ea3526bbc6dff70ec6f1829b0282c4211066f9
sha512: 42dbad1e48752731dd453f75ed60ca0710e65113901bf8a7153a511476cf5cae54ffd229c5e73e072ba980ce384190c6f3577fb597fa2c0b71ca31cde75f2a53
ssdeep: 12288:TKMTNbTH0z1sVv/6HQOfZ4fhBDwTBnWz5SV:TKMJb72C6HQK4pB0T9W4
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Filecoder.NHJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Crypren.j!c
Cynet Malicious (score: 99)
ALYac Gen:Heur.Mint.Zard.40
Cylance Unsafe
Zillya Trojan.Crypren.Win32.320
Sangfor Suspicious.Win32.Save.a
Alibaba Trojan:Win32/Filecoder.9c2c8d95
K7GW Riskware ( 0040eff71 )
Cybereason malicious.d4ec11
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.NHJ
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Scar.rnbw
BitDefender Gen:Heur.Mint.Zard.40
NANO-Antivirus Trojan.Win32.Crypren.ekxqkw
MicroWorld-eScan Gen:Heur.Mint.Zard.40
Tencent Win32.Trojan.Crypren.Pegb
Ad-Aware Gen:Heur.Mint.Zard.40
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34170.AmGfaiBb@Vbi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.gc
Emsisoft Gen:Heur.Mint.Zard.40 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Crypren.Acya
Avira HEUR/AGEN.1122976
eGambit Unsafe.AI_Score_100%
Microsoft Ransom:Win32/Enckerbee
Arcabit Trojan.Mint.Zard.40
GData Gen:Heur.Mint.Zard.40
McAfee Artemis!4B654EED4EC1
MAX malware (ai score=100)
VBA32 Hoax.Crypren
Panda Trj/CI.A
Yandex Trojan.GenAsa!WoG6kJCAEUE
Ikarus Trojan.Win32.Filecoder
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder.NHJ!tr.ransom
AVG Win32:Malware-gen

How to remove Win32/Filecoder.NHJ 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 Win32/Filecoder.NHJ 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 Win32/Filecoder.NHJ you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

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.

Leave a Reply