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

What is Win32/Obfuscated.NEJ infection?

In this short article you will find regarding the meaning of Win32/Obfuscated.NEJ and its adverse influence on your computer system. Such ransomware are a kind of malware that is specified by online frauds to require paying the ransom money by a sufferer.

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In the majority of the cases, Win32/Obfuscated.NEJ virus will advise its targets to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has presented to the sufferer’s gadget.

Win32/Obfuscated.NEJ Summary

These alterations can be as adheres to:

  • 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 files located on the victim’s hard disk drive — so the target can no longer utilize the data;
  • Preventing routine accessibility 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.


One of the most normal channels through which Win32/Obfuscated.NEJ Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a resource that organizes a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or prevent the tool from functioning in a correct way – while likewise placing a ransom money note that states the demand for the targets to impact the repayment for the function of decrypting the records or restoring the documents system back to the initial condition. In many circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has actually currently been damaged.

Win32/Obfuscated.NEJ circulation channels.

In various edges of the globe, Win32/Obfuscated.NEJ grows by leaps and bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom amount may differ depending upon particular regional (local) settings. The ransom money notes and also techniques of extorting the ransom quantity may differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the target’s tool. The sharp then requires the customer to pay the ransom.

    Faulty statements regarding prohibited material.

    In countries where software application piracy is less popular, this technique is not as reliable for the cyber scams. Alternatively, the Win32/Obfuscated.NEJ popup alert may falsely assert to be originating from a police institution and also will report having situated youngster pornography or various other prohibited information on the device.

    Win32/Obfuscated.NEJ popup alert may incorrectly declare to be deriving from a legislation enforcement establishment and also will certainly report having situated child porn or various other unlawful data on the device. The alert will likewise have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: F0FA9F09
md5: f8e845d603e4978993b77337cb0bdfb7
name: F8E845D603E4978993B77337CB0BDFB7.mlw
sha1: 46dbfd815ccd960a9cfc0f8f7d40c5b9e6bb2acc
sha256: ab2d02dc7581b520a6f72e0dcf293cc60738284e81d43a441e2705f54117753f
sha512: 4075f3c5640d1e65d126203415090ce341ebeb9a32c2ddd585012a8386042f0344cfcdd1cad036c2aa6ae3df8f844de27e4be1d7a4eb0733677090299439dd3a
ssdeep: 384:/TmVOQX++Q6WWJGmqDP7y2XVMItPs08Po07V07L0XDB0SN:/cJPqz7yoGItv8Po+V+a9N
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Obfuscated.NEJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0000873b1 )
Elastic malicious (high confidence)
DrWeb Trojan.KillProc.33435
Cynet Malicious (score: 100)
ALYac Gen:Variant.Strictor.250550
Cylance Unsafe
Zillya Trojan.VB.Win32.362522
Sangfor Hacktool.Win32.KillAV.ADZ
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Trojan:Win32/Obfuscated.c0826962
K7GW Trojan ( 0000873b1 )
Cybereason malicious.603e49
Baidu Win32.Trojan-Clicker.VB.e
Cyren W32/S-83112e22!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Obfuscated.NEJ
APEX Malicious
Avast Win32:VB-AIZC [Trj]
ClamAV Win.Malware.Awcd-9773091-0
Kaspersky Trojan.Win32.VB.awcd
BitDefender Gen:Variant.Strictor.250550
NANO-Antivirus Trojan.Win32.VB.dwuzcy
ViRobot Trojan.Win32.A.VB.34752
MicroWorld-eScan Gen:Variant.Strictor.250550
Ad-Aware Gen:Variant.Strictor.250550
Sophos Generic ML PUA (PUA)
Comodo Malware@#un9vadu8095d
BitDefenderTheta Gen:NN.ZevbaF.34738.cm0@aKNm!tkb
Emsisoft Gen:Variant.Strictor.250550 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/VB.cudv
Webroot W32.Trojan.Gen
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan/Generic.ASBOL.2308
Microsoft Ransom:Win32/Skeeyah.A!rfn
AegisLab Trojan.Win32.VB.lwSs
GData Gen:Variant.Strictor.250550
TACHYON Trojan/W32.VB-Small.32768.ED
AhnLab-V3 Trojan/Win32.VBNA.R90362
Acronis suspicious
McAfee Artemis!F8E845D603E4
MAX malware (ai score=100)
Panda Generic Malware
Yandex Trojan.VB!36DRveoRf1s
Ikarus Trojan.Win32.VB
Fortinet W32/Generic.AC.123C!tr
AVG Win32:VB-AIZC [Trj]

How to remove Win32/Obfuscated.NEJ 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.NEJ 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.NEJ 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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