Trojan:MSIL/AgentTesla.BUV!MTB Virus Removal

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

Spectating the Trojan:MSIL/AgentTesla.BUV!MTB detection name usually means that your system is in big danger. This malware can correctly be identified as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some specific steps that must be taken as soon as possible.

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Trojan:MSIL/AgentTesla.BUV!MTB detection is a virus detection you can spectate in your computer. It frequently shows up after the provoking activities on your PC – opening the dubious e-mail messages, clicking the banner in the Internet or setting up the program from dubious resources. From the second it appears, you have a short time to act before it starts its harmful action. And be sure – it is far better not to wait for these malicious effects.

What is Trojan:MSIL/AgentTesla.BUV!MTB virus?

Trojan:MSIL/AgentTesla.BUV!MTB is ransomware-type malware. It searches for the files on your disk drives, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus also does a lot of harm to your system. It modifies the networking settings in order to stop you from looking for the elimination articles or downloading the anti-malware program. Sometimes, Trojan:MSIL/AgentTesla.BUV!MTB can also prevent the setup of anti-malware programs.

Trojan:MSIL/AgentTesla.BUV!MTB Summary

In total, Trojan:MSIL/AgentTesla.BUV!MTB virus actions in the infected system are next:

  • Sample contains Overlay data;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Encrypting the documents located on the victim’s disk drives — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is difficult to picture a more dangerous malware for both individuals and companies. The algorithms utilized in Trojan:MSIL/AgentTesla.BUV!MTB (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 already exists, and possibly will exist. However, that virus does not do all these unpleasant things instantly – it can require up to several hours to cipher all of your documents. Therefore, seeing the Trojan:MSIL/AgentTesla.BUV!MTB detection is a clear signal that you must begin the removal process.

Where did I get the Trojan:MSIL/AgentTesla.BUV!MTB?

Routine methods of Trojan:MSIL/AgentTesla.BUV!MTB injection are usual for all other ransomware examples. Those are one-day landing sites where users are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a relatively modern tactic in malware distribution – you get the email that imitates some regular notifications about shippings or bank service conditions modifications. Inside of the e-mail, there is a corrupted 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 uncomplicated, but still needs tons of recognition. Malware can hide in different spots, and it is much better to prevent it even before it goes into your PC than to rely on an anti-malware program. Simple cybersecurity knowledge is just an important thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That may save you a lot of money and time which you would certainly spend while searching for a solution.

Trojan:MSIL/AgentTesla.BUV!MTB malware technical details

File Info:

name: 3F0959DE94622173922E.mlw
path: /opt/CAPEv2/storage/binaries/d41937681db4a5ac5a0c67b18c3f409828ed6cff92f262328a46a73ee34ac571
crc32: 0BABDA35
md5: 3f0959de94622173922ec8a1fb355bbd
sha1: e003987d4bb582a86ef361bc396032e79e926b20
sha256: d41937681db4a5ac5a0c67b18c3f409828ed6cff92f262328a46a73ee34ac571
sha512: e6a4ce74200f179b9f3302e99d28df0382a3b7408293d376dc30cda21bb75b1b6af5d0b1d32634adaa086998f3d897e2741d2e04a75379dab0f8284f2b0fb113
ssdeep: 12288:iIBvipns45ULX+CNI0mwId8dGZurCk9jOqFHigxuUqS485WdlOXnqaMxGMsVCleH:inN5hCA3sGZiCc9HJM448H
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1ED0549683650319FD737C47689945C20F5686AEF37378A83808335DCAA2D643EF953BA
sha3_384: 73061dd7e4da83bfd09513eb43e2e6ec8430cb2ef6f74182ec2f438d76e57894449813c2645232a8fb170b77906217c9
ep_bytes: ff250020400000000000000000000000
timestamp: 2021-07-08 11:17:30

Version Info:

Translation: 0x0000 0x04b0
FileDescription: WinFormsSyntaxHighlighter
InternalName: bUQ3m.exe
LegalCopyright: Copyright © 2014
OriginalFilename: bUQ3m.exe
ProductName: WinFormsSyntaxHighlighter
Assembly Version:

Trojan:MSIL/AgentTesla.BUV!MTB also known as:

K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
ESET-NOD32a variant of MSIL/Kryptik.ABYO
CynetMalicious (score: 100)
RisingMalware.Obfus/MSIL@AI.100 (RDM.MSIL2:8f5f7bLGfEGhG+vCJEIopw)
EmsisoftGen:Variant.Ransom.Loki.6450 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=88)
AVGWin32:MalwareX-gen [Trj]
AvastWin32:MalwareX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:MSIL/AgentTesla.BUV!MTB?

Trojan:MSIL/AgentTesla.BUV!MTB malware is incredibly hard to eliminate manually. It places its data in several locations throughout the disk, and can get back itself from one of the elements. Furthermore, various modifications in the registry, networking configurations and also Group Policies are really hard to locate and change to the initial. It is better to make use of a special program – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus elimination objectives.

Remove Trojan:MSIL/AgentTesla.BUV!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 Trojan:MSIL/AgentTesla.BUV!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

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 Trojan:MSIL/AgentTesla.BUV!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 Trojan:MSIL/AgentTesla.BUV!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 Trojan:MSIL/AgentTesla.BUV!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 “Trojan:MSIL/AgentTesla.BUV!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 ( 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 Trojan:MSIL/AgentTesla.BUV!MTB Virus

Step 4: Remove Found Threats:

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

Searching Trojan:MSIL/AgentTesla.BUV!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 Trojan:MSIL/AgentTesla.BUV!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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