MSIL/Kryptik.MJW Virus Removal

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

Seeing the MSIL/Kryptik.MJW detection usually means that your system is in big danger. This computer virus can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.

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MSIL/Kryptik.MJW detection is a malware detection you can spectate in your computer. It usually appears after the preliminary procedures on your computer – opening the untrustworthy e-mail messages, clicking the banner in the Web or installing the program from untrustworthy resources. From the moment it shows up, you have a short time to act before it starts its malicious action. And be sure – it is far better not to wait for these malicious things.

What is MSIL/Kryptik.MJW virus?

MSIL/Kryptik.MJW is ransomware-type malware. It looks for the files on your disk drives, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this malware additionally does a lot of damage to your system. It changes the networking setups in order to avoid you from checking out the removal tutorials or downloading the antivirus. Sometimes, MSIL/Kryptik.MJW can also block the setup of anti-malware programs.

MSIL/Kryptik.MJW Summary

Summarizingly, MSIL/Kryptik.MJW virus activities in the infected PC are next:

  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Ciphering the documents located on the victim’s disk drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has actually been a horror story for the last 4 years. It is difficult to realize a more dangerous virus for both individuals and companies. The algorithms used in MSIL/Kryptik.MJW (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy already exists, and possibly will exist. But that virus does not do all these unpleasant things instantly – it can require up to a few hours to cipher all of your files. Thus, seeing the MSIL/Kryptik.MJW detection is a clear signal that you need to begin the removal procedure.

Where did I get the MSIL/Kryptik.MJW?

Usual ways of MSIL/Kryptik.MJW spreading are standard for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free app, so-called bait e-mails and hacktools. Bait emails are a quite modern strategy in malware distribution – you get the e-mail that mimics some regular notifications about shipments or bank service conditions modifications. Within the email, there is a malicious MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

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

Avoiding it looks fairly simple, but still requires tons of recognition. Malware can hide in various spots, and it is much better to stop it even before it invades your PC than to depend on an anti-malware program. Standard cybersecurity knowledge is just an essential thing in the modern world, even if your interaction with a computer stays on YouTube videos. That can save you a great deal of time and money which you would spend while looking for a solution.

MSIL/Kryptik.MJW malware technical details

File Info:

name: AF509A8FE65E3C31D1C4.mlw
path: /opt/CAPEv2/storage/binaries/44d679c2a8821554f190a33bc8a9848a3e3cfe7e513e94ca57bdcbf5fdc59d1d
crc32: 57C49AE8
md5: af509a8fe65e3c31d1c4c0647bd6c3dc
sha1: 24c25d1df661c4514749289fb502016a676a10d0
sha256: 44d679c2a8821554f190a33bc8a9848a3e3cfe7e513e94ca57bdcbf5fdc59d1d
sha512: 5b876b44a48e6c699956b4184d92826dbaade5d1333da068e53aee67de4d55923480e74648fb02ef71be3c2c2a55059aedf5fa75098ad1802ed942374cfa9c93
ssdeep: 3072:AruJz2P4KWKXfmJrgrFce3pHHPDSIRG5Upp2WGBcRV25g:Aig3t2IIUp
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A3A3D61252EC6F96D1BD0B78237222E493F5DD208203E35E2EE864F958BF7462E146C7
sha3_384: 636a3bb996d43bb52b98a4a7f7138e8af9e8699c091cc89ddedcb6d10604fc6831c4a941a6b577180c297d73e0c195be
ep_bytes: ff250020400000000000000000000000
timestamp: 2018-01-17 11:32:50

Version Info:

Translation: 0x0000 0x04b0
CompanyName: MICROSOFT
FileDescription: Yandex
InternalName: Yandex.exe
LegalCopyright: Copyright © MICROSOFT 2018
OriginalFilename: Yandex.exe
ProductName: Yandex
Assembly Version:

MSIL/Kryptik.MJW also known as:

ESET-NOD32a variant of MSIL/Kryptik.MJW
CynetMalicious (score: 99)
EmsisoftGen:Variant.Ransom.Kraken.14 (B)
MAXmalware (ai score=89)
RisingMalware.Obfus/MSIL@AI.100 (RDM.MSIL2:gKLDoua5BXpfIqr+5+h4LA)
SentinelOneStatic AI – Malicious PE
CrowdStrikewin/malicious_confidence_90% (W)

How to remove MSIL/Kryptik.MJW?

MSIL/Kryptik.MJW malware is incredibly difficult to delete by hand. It stores its data in multiple places throughout the disk, and can recover itself from one of the parts. Additionally, numerous modifications in the registry, networking setups and Group Policies are fairly hard to locate and revert to the original. It is much better to use a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware removal purposes.

Remove MSIL/Kryptik.MJW with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove MSIL/Kryptik.MJW as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.


3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for MSIL/Kryptik.MJW Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The MSIL/Kryptik.MJW was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The MSIL/Kryptik.MJW has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “MSIL/Kryptik.MJW” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website ( and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching MSIL/Kryptik.MJW Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching MSIL/Kryptik.MJW Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing MSIL/Kryptik.MJW and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

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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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