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

What is MSIL/Kryptik.NJE infection?

In this post you will certainly locate concerning the definition of MSIL/Kryptik.NJE as well as its negative impact on your computer system. Such ransomware are a type of malware that is clarified by on the internet fraudulences to demand paying the ransom by a sufferer.

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In the majority of the cases, MSIL/Kryptik.NJE ransomware will advise its victims to initiate funds move for the function of neutralizing the amendments that the Trojan infection has introduced to the sufferer’s gadget.

MSIL/Kryptik.NJE Summary

These modifications can be as complies with:

  • Network activity detected but not expressed in API logs;
  • Ciphering the papers found on the sufferer’s hard drive — so the victim can no more make use of the information;
  • Preventing normal accessibility to the target’s workstation;


The most typical networks through which MSIL/Kryptik.NJE are infused are:

  • By means of phishing e-mails;
  • As a consequence of user winding up on a source that hosts a malicious software application;

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or prevent the tool from operating in a correct way – while likewise positioning a ransom note that points out the requirement for the sufferers to effect the payment for the purpose of decrypting the documents or recovering the file system back to the initial condition. In many instances, the ransom note will turn up when the client restarts the PC after the system has already been damaged.

MSIL/Kryptik.NJE distribution channels.

In various edges of the globe, MSIL/Kryptik.NJE expands by leaps as well as bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom quantity may vary relying on certain local (local) settings. The ransom notes and also tricks of obtaining the ransom quantity may differ depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty declarations regarding illegal material.

    In countries where software application piracy is less preferred, this technique is not as efficient for the cyber scams. Conversely, the MSIL/Kryptik.NJE popup alert might wrongly assert to be originating from a police organization and also will report having located youngster porn or other unlawful data on the tool.

    MSIL/Kryptik.NJE popup alert might incorrectly assert to be acquiring from a regulation enforcement establishment and will report having situated child porn or other unlawful information on the gadget. The alert will in a similar way include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 8A421690
md5: 19fff36f66a26d37c1b7b65e32fb1d12
name: 19FFF36F66A26D37C1B7B65E32FB1D12.mlw
sha1: 040b3d24768fd81b91e4254f54eefc87edf470c5
sha256: d864018be9196a8f19085e4a9a9ad681b7770f947972e05c5f2065b8b3601a36
sha512: ec1c646ff79678bec484f4c2b3e30efc55be2ef308a6c116d2720733e34f6071dfecf86ad54565822782770dd270e9938987dbf27c05675740bc65877badf5ee
ssdeep: 12288:b2wNbe++ee++eeVOSazXcxcbp5sd4YTL:bTbpk4s
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2018
Assembly Version:
InternalName: nj7.exe
CompanyName: Microsoft
ProductName: nj7
FileDescription: nj7
OriginalFilename: nj7.exe

MSIL/Kryptik.NJE also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0052b7cc1 )
Lionic Trojan.Win32.Blocker.j!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader22.55152
Cynet Malicious (score: 99)
ALYac Trojan.GenericKD.36702832
Cylance Unsafe
CrowdStrike win/malicious_confidence_70% (D)
K7GW Trojan ( 0052b7cc1 )
Cybereason malicious.4768fd
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.NJE
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.kwyg
BitDefender Trojan.GenericKD.36702832
NANO-Antivirus Trojan.Win32.Blocker.ezezai
MicroWorld-eScan Trojan.GenericKD.36702832
Tencent Win32.Trojan.Blocker.Ecbn
Ad-Aware Trojan.GenericKD.36702832
Sophos Mal/Generic-S
Comodo Malware@#mhrjiw0rfcbr
BitDefenderTheta Gen:NN.ZemsilF.34170.zm0@aWq0@Eb
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
Emsisoft Trojan.GenericKD.36702832 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1104366
Antiy-AVL Trojan/Generic.ASMalwS.251D63F
Microsoft Backdoor:MSIL/Bladabindi
ZoneAlarm Trojan-Ransom.Win32.Blocker.kwyg
GData Trojan.GenericKD.36702832
AhnLab-V3 Trojan/Win32.Kryptik.C2470540
McAfee Artemis!19FFF36F66A2
MAX malware (ai score=94)
Panda Trj/GdSda.A
Yandex Trojan.Blocker!mFv4JSdLIRY
Ikarus Trojan.MSIL.CryptoObfuscator
Fortinet MSIL/Kryptik.MWA!tr
AVG Win32:Malware-gen

How to remove MSIL/Kryptik.NJE 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 MSIL/Kryptik.NJE 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 MSIL/Kryptik.NJE you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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