Ransom:Win32/Stopcrypt.YAI!MTB Virus Removal

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

Spectating the Ransom:Win32/Stopcrypt.YAI!MTB malware detection means that your system is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.

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Ransom:Win32/Stopcrypt.YAI!MTB detection is a malware detection you can spectate in your system. It often shows up after the preliminary activities on your computer – opening the suspicious email, clicking the banner in the Web or mounting the program from unreliable sources. From the second it shows up, you have a short time to act before it begins its malicious action. And be sure – it is much better not to wait for these harmful actions.

What is Ransom:Win32/Stopcrypt.YAI!MTB virus?

Ransom:Win32/Stopcrypt.YAI!MTB is ransomware-type malware. It looks for the files on your computer, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus additionally does a ton of damage to your system. It modifies the networking setups in order to avoid you from checking out the removal guidelines or downloading the antivirus. In rare cases, Ransom:Win32/Stopcrypt.YAI!MTB can additionally stop the setup of anti-malware programs.

Ransom:Win32/Stopcrypt.YAI!MTB Summary

In total, Ransom:Win32/Stopcrypt.YAI!MTB malware activities in the infected PC are next:

  • Sample contains Overlay data;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the victim’s drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a nightmare for the last 4 years. It is hard to picture a more dangerous virus for both individuals and organizations. The algorithms used in Ransom:Win32/Stopcrypt.YAI!MTB (usually, 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 actually exists, and possibly will exist. But that malware does not do all these horrible things immediately – it can take up to a few hours to cipher all of your documents. Hence, seeing the Ransom:Win32/Stopcrypt.YAI!MTB detection is a clear signal that you should start the elimination procedure.

Where did I get the Ransom:Win32/Stopcrypt.YAI!MTB?

Usual ways of Ransom:Win32/Stopcrypt.YAI!MTB injection are basic for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a relatively modern strategy in malware distribution – you get the email that mimics some normal notifications about shippings or bank service conditions shifts. Within the email, there is a malicious 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.

Preventing it looks fairly easy, but still needs tons of recognition. Malware can hide in various spots, and it is better to prevent it even before it gets into your computer than to rely on an anti-malware program. General cybersecurity knowledge is just an essential item in the modern world, even if your interaction with a computer remains on YouTube videos. That can save you a lot of time and money which you would certainly spend while looking for a fix guide.

Ransom:Win32/Stopcrypt.YAI!MTB malware technical details

File Info:

name: 787EC843FDB922D7A185.mlw
path: /opt/CAPEv2/storage/binaries/7c97d51ae017d3d861b316ac11b84763fb4ca8d16b93728408f59ab700eaf678
crc32: A842FF4E
md5: 787ec843fdb922d7a18522fdf5680411
sha1: ffa0200b15ed15b948fd31a2a54fe8186a02b72c
sha256: 7c97d51ae017d3d861b316ac11b84763fb4ca8d16b93728408f59ab700eaf678
sha512: 2b7770a67f08b1a1e71d2e7824b5aa895fa05aeb67479b61ffa0ca4f8b0bb3dbd0d51310e71f9a248f48ebccc9f4892400cc86246c28ba32ef70dc2c27ad97c6
ssdeep: 1536:TuW6AMvAuC+7oQUmLj353zIcUx0qeg6KnMw:TuWzsQ1QddIJR
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T181A3AD3176D0C033D4A37530147186A26FBE69322BB5A4CB5B6819392FB07D16B7D3AB
sha3_384: 2ece895bcc51b96dfe25df35add01733cdbc648571dc63faeb65bc771f09763e097f769d3eae4444af355083a7e23c69
ep_bytes: e8d2430000e989feffff8bff558bec51
timestamp: 2022-01-25 11:25:45

Version Info:

0: [No Data]

Ransom:Win32/Stopcrypt.YAI!MTB also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader45.61873
MicroWorld-eScanTrojan.GenericKDZ.101988
FireEyeGeneric.mg.787ec843fdb922d7
CAT-QuickHealTrojan.Inject.22252
ALYacTrojan.GenericKDZ.101988
MalwarebytesMalware.AI.3372648441
SangforSuspicious.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (W)
APEXMalicious
BitDefenderTrojan.GenericKDZ.101988
RisingTrojan.Kryptik!1.E892 (CLASSIC)
SophosML/PE-A
VIPRETrojan.GenericKDZ.101988
McAfee-GW-EditionBehavesLike.Win32.Generic.nm
Trapminemalicious.high.ml.score
EmsisoftTrojan.GenericKDZ.101988 (B)
GDataTrojan.GenericKDZ.101988
ArcabitTrojan.Generic.D18E64
MicrosoftRansom:Win32/Stopcrypt.YAI!MTB
CynetMalicious (score: 100)
McAfeeArtemis!787EC843FDB9
MAXmalware (ai score=82)
SentinelOneStatic AI – Suspicious PE
Cybereasonmalicious.b15ed1
DeepInstinctMALICIOUS

How to remove Ransom:Win32/Stopcrypt.YAI!MTB?

Ransom:Win32/Stopcrypt.YAI!MTB malware is incredibly hard to remove manually. It puts its files in numerous locations throughout the disk, and can recover itself from one of the elements. In addition, countless changes in the windows registry, networking setups and Group Policies are fairly hard to find and revert to the initial. It is far better to use a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for malware elimination reasons.

Remove Ransom:Win32/Stopcrypt.YAI!MTB 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 Ransom:Win32/Stopcrypt.YAI!MTB 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 Ransom:Win32/Stopcrypt.YAI!MTB 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 Ransom:Win32/Stopcrypt.YAI!MTB 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 Ransom:Win32/Stopcrypt.YAI!MTB 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 “Ransom:Win32/Stopcrypt.YAI!MTB” 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 Ransom:Win32/Stopcrypt.YAI!MTB Virus

Step 4: Remove Found Threats:

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

Searching Ransom:Win32/Stopcrypt.YAI!MTB 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 Ransom:Win32/Stopcrypt.YAI!MTB 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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