MSIL/Kryptik.AJEF Virus Removal

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

Seeing the MSIL/Kryptik.AJEF detection means that your computer is in big danger. This virus can correctly be identified as ransomware – virus which ciphers your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.

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MSIL/Kryptik.AJEF detection is a malware detection you can spectate in your computer. It frequently shows up after the provoking activities on your computer – opening the dubious email messages, clicking the advertisement in the Web or installing the program from unreliable sources. From the moment it appears, you have a short time to act until it begins its malicious activity. And be sure – it is better not to await these harmful things.

What is MSIL/Kryptik.AJEF virus?

MSIL/Kryptik.AJEF is ransomware-type malware. It searches for the files on your disk drive, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this malware also does a ton of harm to your system. It alters the networking setups in order to stop you from checking out the removal guides or downloading the antivirus. Sometimes, MSIL/Kryptik.AJEF can additionally block the launching of anti-malware programs.

MSIL/Kryptik.AJEF Summary

Summarizingly, MSIL/Kryptik.AJEF malware activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • A file was accessed within the Public folder.;
  • Sample contains Overlay data;
  • Uses Windows utilities for basic functionality;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • A scripting utility was executed;
  • Uses Windows utilities to create a scheduled task;
  • Attempts to modify Windows Defender using PowerShell;
  • Suspicious wmic.exe use was detected;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the files kept on the target’s disk — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a headache for the last 4 years. It is challenging to realize a more harmful virus for both individuals and businesses. The algorithms utilized in MSIL/Kryptik.AJEF (generally, 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 malware does not do all these unpleasant things instantly – it can require up to a few hours to cipher all of your files. Therefore, seeing the MSIL/Kryptik.AJEF detection is a clear signal that you need to start the elimination process.

Where did I get the MSIL/Kryptik.AJEF?

General methods of MSIL/Kryptik.AJEF injection are basic for all other ransomware variants. Those are one-day landing sites where victims are offered to download the free software, so-called bait emails and hacktools. Bait e-mails are a relatively modern strategy in malware spreading – you receive the email that mimics some normal notifications about shippings or bank service conditions shifts. Inside of the email, there is an infected MS Office file, or a web 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 simple, but still needs a lot of awareness. Malware can hide in different spots, and it is better to prevent it even before it gets into your computer than to trust in an anti-malware program. General cybersecurity knowledge is just an important thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while trying to find a fix guide.

MSIL/Kryptik.AJEF malware technical details

File Info:

name: 4A24C2EDF7F68AEFC87C.mlw
path: /opt/CAPEv2/storage/binaries/b5ae3e16b50db5efd36d586ccac2a49725cd7bed77ebb1953ef2b05cecf806b6
crc32: 0D8E4D60
md5: 4a24c2edf7f68aefc87c8f4170cb0959
sha1: 1086a1d13e49339be62345862fbdbc967a99926d
sha256: b5ae3e16b50db5efd36d586ccac2a49725cd7bed77ebb1953ef2b05cecf806b6
sha512: 3690e633c22bab7c7661b55843659d81621b7665b97fe241fb3525265cbc8795fea7a9d9e53cbac74c30d0da0a33371d980c5c050a550ad6818b9880b02d2fe3
ssdeep: 24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10E65E04EFC022F55C331D87B0A8E9A203CAA12BF5F529F1772656987DF805C6B03566B
sha3_384: 38a6f2fef938d1937c4acf0623fa5147913ffbe31107536ad99a4bf2a3bbfffed5fd893f224c1bf75ae3c8fe4c7714d6
ep_bytes: e874040000e988feffff3b0d68e64300
timestamp: 2020-12-01 18:00:55

Version Info:

0: [No Data]

MSIL/Kryptik.AJEF also known as:

Bkav W32.AIDetectMalware
Cylance unsafe
K7AntiVirus Trojan ( 005a84921 )
K7GW Trojan ( 005a84921 )
Cyren W32/S-1b09bef6!Eldorado
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Kryptik.AJEF
APEX Malicious
Kaspersky HEUR:Trojan-Ransom.MSIL.Blocker.gen
Avast Win32:Malware-gen
Rising Malware.SwollenFile!1.DDB4 (CLASSIC)
Sophos Generic ML PUA (PUA)
Baidu Archive.Bomb
MAX malware (ai score=61)
ZoneAlarm HEUR:Trojan-Ransom.MSIL.Blocker.gen
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
Acronis suspicious
AVG Win32:Malware-gen
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_70% (D)

How to remove MSIL/Kryptik.AJEF?

MSIL/Kryptik.AJEF malware is very hard to erase by hand. It stores its documents in numerous places throughout the disk, and can restore itself from one of the elements. In addition, numerous modifications in the registry, networking setups and Group Policies are quite hard to find and change to the initial. It is far better to make use of a special tool – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for malware removal goals.

Remove MSIL/Kryptik.AJEF 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.AJEF 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 gridinsoft.com.

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

setup-gridinsoft-fix.exe

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.AJEF 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.AJEF 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.AJEF 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.AJEF” 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 (gridinsoft.com) 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.AJEF Virus

Step 4: Remove Found Threats:

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

Searching MSIL/Kryptik.AJEF 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.AJEF 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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