What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the MSIL/TrojanDownloader.Agent.NOJ detection means that your system is in big danger. This malware can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.
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MSIL/TrojanDownloader.Agent.NOJ detection is a virus detection you can spectate in your computer. It generally shows up after the provoking procedures on your PC – opening the untrustworthy email messages, clicking the advertisement in the Internet or installing the program from dubious sources. From the second it shows up, you have a short time to do something about it until it starts its destructive action. And be sure – it is far better not to await these malicious things.

What is MSIL/TrojanDownloader.Agent.NOJ virus?

MSIL/TrojanDownloader.Agent.NOJ is ransomware-type malware. It looks for the documents on your disk, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this virus additionally does a lot of damage to your system. It alters the networking setups in order to prevent you from reading the elimination guidelines or downloading the antivirus. In rare cases, MSIL/TrojanDownloader.Agent.NOJ can additionally prevent the setup of anti-malware programs.

MSIL/TrojanDownloader.Agent.NOJ Summary

Summarizingly, MSIL/TrojanDownloader.Agent.NOJ ransomware activities in the infected PC are next:

  • .NET file is packed/obfuscated with Confuser;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Ciphering the files located on the victim’s disk — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is hard to imagine a more harmful virus for both individuals and corporations. The algorithms used in MSIL/TrojanDownloader.Agent.NOJ (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy currently exists, and possibly will exist. However, that virus does not do all these terrible things instantly – it may take up to several hours to cipher all of your files. Hence, seeing the MSIL/TrojanDownloader.Agent.NOJ detection is a clear signal that you must begin the elimination process.

Where did I get the MSIL/TrojanDownloader.Agent.NOJ?

Typical methods of MSIL/TrojanDownloader.Agent.NOJ spreading are usual for all other ransomware variants. Those are one-day landing websites where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively new strategy in malware spreading – you receive the e-mail that simulates some regular notifications about shippings or bank service conditions modifications. Inside of the e-mail, there is a corrupted MS Office file, or a link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks pretty easy, but still demands a lot of focus. Malware can hide in different places, and it is far better to stop it even before it goes into your computer than to rely on an anti-malware program. Simple cybersecurity awareness is just an essential item in the modern-day world, even if your relationship with a PC stays on YouTube videos. That can save you a lot of time and money which you would certainly spend while searching for a solution.

MSIL/TrojanDownloader.Agent.NOJ malware technical details

File Info:

name: 179E9C53D04C3B66D135.mlw
path: /opt/CAPEv2/storage/binaries/5715421db87e90b962c061ed1a9e6af443f012ddd61d0a0a3450212063416c4d
crc32: 89C2DA46
md5: 179e9c53d04c3b66d135bc6bd4480b75
sha1: 564514e182d9789c5ddb2b687c133e0d89df717a
sha256: 5715421db87e90b962c061ed1a9e6af443f012ddd61d0a0a3450212063416c4d
sha512: 52211cd70925f73ced305fb3e38aca0fe3c14291253083121b485dc0485cb1bddeca8d1cc4e174fdf03a6dfc7e069d5c74efda114ee790a0c6a324f8a9b0e038
ssdeep: 3072:P20wD0UjvezRbaPBlN6jGT1HLBtsIyqS/Jo7H7cggi:P20wQUreFu74jGR7rS/Jo7H7cg
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13AE31288F55CC9C7F9A9D2F78895E2055BAC79464163F3C5EE34A68234863EB09032F7
sha3_384: 9b298a35f738dcfafb077413974083fcf0962a6599119e06d8c9602be82cc0862766c1d0a130e97a0464eb5de281b4e3
ep_bytes: ff250020400000000000000000000000
timestamp: 2021-02-06 21:58:27

Version Info:

Translation: 0x0000 0x04b0
FileDescription: d
InternalName: d.exe
LegalCopyright: Copyright © 2021
OriginalFilename: d.exe
ProductName: d
Assembly Version:

MSIL/TrojanDownloader.Agent.NOJ also known as:

Elasticmalicious (high confidence)
ESET-NOD32a variant of MSIL/TrojanDownloader.Agent.NOJ
EmsisoftGen:Variant.MSILHeracles.36459 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=86)
CynetMalicious (score: 100)
RisingTrojan.Generic/MSIL@AI.100 (RDM.MSIL:HsudEQYnWTBZSkdSVZ/zEw)
CrowdStrikewin/malicious_confidence_100% (W)

How to remove MSIL/TrojanDownloader.Agent.NOJ?

MSIL/TrojanDownloader.Agent.NOJ malware is very hard to eliminate manually. It puts its data in numerous locations throughout the disk, and can get back itself from one of the parts. In addition, a lot of modifications in the registry, networking setups and Group Policies are pretty hard to locate and change to the original. It is far better to make use of a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal goals.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated practically every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for getting rid of malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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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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