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

What is Win32/Filecoder.NUP infection?

In this article you will certainly discover about the meaning of Win32/Filecoder.NUP as well as its unfavorable influence on your computer system. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a sufferer.

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Most of the cases, Win32/Filecoder.NUP ransomware will certainly advise its targets to start funds move for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s device.

Win32/Filecoder.NUP Summary

These modifications can be as complies with:

  • A process attempted to delay the analysis task.;
  • Uses Windows utilities for basic functionality;
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the target’s hard disk — so the target can no more make use of the data;
  • Preventing routine access to the sufferer’s workstation;


The most normal channels whereby Win32/Filecoder.NUP Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that organizes a malicious software;

As quickly as the Trojan is effectively injected, it will either cipher the information on the target’s PC or avoid the device from functioning in a correct fashion – while also positioning a ransom money note that mentions the requirement for the sufferers to effect the payment for the purpose of decrypting the papers or bring back the documents system back to the initial problem. In most circumstances, the ransom money note will show up when the client reboots the COMPUTER after the system has actually currently been damaged.

Win32/Filecoder.NUP distribution networks.

In various corners of the globe, Win32/Filecoder.NUP grows by leaps and also bounds. Nevertheless, the ransom notes and tricks of extorting the ransom quantity may vary depending upon particular regional (regional) settings. The ransom notes and tricks of obtaining the ransom money amount might vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software.

    In particular areas, the Trojans usually wrongfully report having discovered some unlicensed applications allowed on the sufferer’s device. The sharp after that demands the customer to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In countries where software application piracy is much less preferred, this method is not as reliable for the cyber scams. Alternatively, the Win32/Filecoder.NUP popup alert might falsely claim to be stemming from a law enforcement organization and also will report having situated kid porn or other unlawful information on the tool.

    Win32/Filecoder.NUP popup alert might incorrectly claim to be obtaining from a law enforcement establishment and also will report having located kid pornography or various other unlawful information on the gadget. The alert will likewise have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: B5DEE84E
md5: f9a2f3e432e353884ee77ea6d7ef3ff4
name: F9A2F3E432E353884EE77EA6D7EF3FF4.mlw
sha1: d4ffb43f13d0529671eeed216a621c9b6576ae4b
sha256: 0260cb2182253d54c0bd5e833e9bc51931539f46618df68bae9ee18576b5b021
sha512: 67d69d77ba71aaf1db95529aabbfcdc529369e4d2581d596619e5b33da17dfab03137df35bfb2036921b30bace5be8cb38eef90897725a97794c980037ffd44a
ssdeep: 12288:Fw657UeHtmE9xcsWH7oB0SQUt0bbBHX1FJrISfrPrMaYcxb7VM5p4FBCfi+A2fj:S65rtmE9CsWHI8ISZFxb7VMpgC68LR
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.NUP also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055a27f1 )
DrWeb Trojan.Encoder.29861
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.InfoDot.S8509345
ALYac Trojan.Ransom.InfoDot
Zillya Trojan.Filecoder.Win32.10587
Sangfor Ransom.Win32.InfoDot.PA!MTB
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/InfoDot.afb35096
K7GW Trojan ( 0055a27f1 )
Cybereason malicious.432e35
Symantec Ransom.Enciphered
ESET-NOD32 a variant of Win32/Filecoder.NUP
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Gen.tpe
BitDefender Gen:Variant.Ransom.InfoDot.1
NANO-Antivirus Trojan.Win32.Encoder.gfalru
MicroWorld-eScan Gen:Variant.Ransom.InfoDot.1
Tencent Win32.Trojan.Gen.Efkk
Ad-Aware Gen:Variant.Ransom.InfoDot.1
Sophos Troj/Ransom-FRI
Comodo Malware@#2gd2x3ejeiq8v
BitDefenderTheta Gen:NN.ZexaF.34738.VuW@a0k@wBfi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.EVINTYD.THJBCAIA
FireEye Gen:Variant.Ransom.InfoDot.1
Emsisoft Gen:Variant.Ransom.InfoDot.1 (B)
Jiangmin Trojan.Gen.alx
Webroot W32.Ransom.Gen
Avira TR/FileCoder.vgfvi
Arcabit Trojan.Ransom.InfoDot.1
AegisLab Trojan.Win32.Gen.tqSg
GData Gen:Variant.Ransom.InfoDot.1
TACHYON Ransom/W32.InfoDot.777728
AhnLab-V3 Malware/Win32.Generic.C3032391
McAfee Generic
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.Gen
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.EVINTYD.THJBCAIA
Yandex Trojan.Filecoder!bry+Bdgn5mc
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.74651317.susgen
Fortinet W32/Crypren.AFGD!tr.ransom
AVG Win32:Malware-gen

How to remove Win32/Filecoder.NUP 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.NUP 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Filecoder.NUP 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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