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

What is Win32/Obfuscated.NFG infection?

In this article you will discover about the interpretation of Win32/Obfuscated.NFG and its unfavorable effect on your computer system. Such ransomware are a form of malware that is elaborated by on the internet frauds to demand paying the ransom money by a sufferer.

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Most of the cases, Win32/Obfuscated.NFG infection will instruct its targets to launch funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s gadget.

Win32/Obfuscated.NFG Summary

These adjustments can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the victim’s disk drive — so the victim can no longer make use of the data;
  • Preventing regular accessibility to the target’s workstation;

Related domains:


One of the most normal networks whereby Win32/Obfuscated.NFG Trojans are infused are:

  • By methods of phishing e-mails;
  • As a repercussion of user ending up on a resource that organizes a destructive software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or avoid the gadget from operating in a correct fashion – while likewise positioning a ransom money note that mentions the demand for the targets to effect the payment for the purpose of decrypting the files or recovering the file system back to the first problem. In a lot of circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has actually already been harmed.

Win32/Obfuscated.NFG circulation channels.

In different edges of the world, Win32/Obfuscated.NFG expands by jumps and bounds. However, the ransom money notes and methods of obtaining the ransom money quantity may vary depending upon particular local (regional) settings. The ransom notes and methods of extorting the ransom money quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In particular locations, the Trojans frequently wrongfully report having actually found some unlicensed applications allowed on the target’s gadget. The sharp then demands the customer to pay the ransom.

    Faulty statements about illegal web content.

    In nations where software program piracy is less prominent, this method is not as effective for the cyber scams. Additionally, the Win32/Obfuscated.NFG popup alert may incorrectly claim to be stemming from a police institution and also will certainly report having situated child pornography or other unlawful information on the device.

    Win32/Obfuscated.NFG popup alert may incorrectly declare to be acquiring from a regulation enforcement establishment and will report having situated kid pornography or various other illegal data on the gadget. The alert will similarly consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 04BD1870
md5: 432c008f7152d0321b6fbfd62107d5d4
name: 432C008F7152D0321B6FBFD62107D5D4.mlw
sha1: a49389f1fa136c2084bca9407a8490b0376d2cad
sha256: c8c8a2f868fcf25a18adb986088c7e50a87283e508317bfca166e2e4c2061011
sha512: 5eae7c4fb172479b390186814544dde013f6e6a2369f0c745e8562892e1200bea0e407d4911881c2a8c5301a9e4e7e712e6977ccb4587b855d0f6f90d5e3b6cb
ssdeep: 24576:uaqyhjvqCsoh1ujeDNeWph81N1UfnIyHbBQX3UJ:ueRvaBjeDNR/8ZUfnbBw3
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Obfuscated.NFG also known as:

K7AntiVirusTrojan ( 0055e3fb1 )
Elasticmalicious (high confidence)
CrowdStrikewin/malicious_confidence_80% (D)
K7GWTrojan ( 0055e3fb1 )
ESET-NOD32a variant of Win32/Obfuscated.NFG
AvastWin32:MalOb-JL [Cryp]
CynetMalicious (score: 100)
SentinelOneStatic AI – Suspicious PE
RisingMalware.Heuristic!ET#93% (RDMK:cmRtazqOJovhzgdi3jwUESE7dl1K)
AVGWin32:MalOb-JL [Cryp]

How to remove Win32/Obfuscated.NFG 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/Obfuscated.NFG 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/Obfuscated.NFG 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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