Trojan:MSIL/Barys!MTB is a detection by an antivirus program of a computer threat that has the primary objective of obtaining remote access to the infected computer. To achieve this, there will be changes in the system as a result of the Trojan:MSIL/Barys!MTB infection. It also opens a backdoor port, changes the registry, and modifies the firewall settings. Trojan:MSIL/Barys!MTB has also been designed to steal sensitive information from the infected device. The gathered data is stored on a predefined section of the local hard drive and has been set up to be sent to the attacker’s own server at some point.

Image of Trojan:MSIL/Barys!MTB

How does it infect the computer?

Normally, the malevolent code of Trojan:MSIL/Barys!MTB is incorporated into the spam emails masquerading as valid attachments. Opening the latter executes the malware without attracting the attention of the user. Another way that malware authors use to propagate Trojan:MSIL/Barys!MTB are malicious links from social networking sites, comment areas of blog sites, and malicious file installers. Infections from other Trojans and viruses may also leverage this attack, in particular the Trojan Dropper.

How does this malware operate?

After Trojan:MSIL/Barys!MTB runs on the computer, it will modify a set of system files. Also, it will deposit extra malicious files in various local folders. Registry entries are also created to execute the virus whenever Windows boots up.

In the case of Trojan:MSIL/Barys!MTB presence, antivirus programs, and other security-related software may operate blindly. The threat normally terminates running processes that are relevant to anti-virus, firewall, and other computer security applications.

Trojan:MSIL/Barys!MTB occasionally connects to a remote server by means of HTTP or FTP ports to submit information collected from the PC.


A computer infected with Trojan:MSIL/Barys!MTB may exhibit several common symptoms. Computer users may experience a noticeable decline in system performance as a result of Trojan:MSIL/Barys!MTB often consumes system resources to carry out malicious activities in the background. In addition, unexpected pop-ups or advertisements may appear on the screen, even when the user is not browsing the internet, signaling potential Trojan activity. Changes in system settings or the appearance of unfamiliar icons on the desktop could indicate unauthorized alterations by Trojan:MSIL/Barys!MTB.  Frequent system crashes or freezes may occur as the Trojan interferes with normal operations. Lastly, compromised security, such as disabled antivirus software or the inability to access certain websites, may suggest a Trojan:MSIL/Barys!MTB’s presence.

Trojans are known for their ability to facilitate unauthorized access to a compromised system. Users might observe unusual network activity, such as data transfers or remote control by an external entity. Computers infected with Trojan:MSIL/Barys!MTB are also susceptible to data theft, with personal or sensitive information at risk of being accessed and transmitted to malicious actors.

Versions of Trojan:MSIL/Barys!MTB
Version Name Alert Level Date Added
Trojan:MSIL/Barys.AAAJ!MTB Severe Dec. 27, 2023
Trojan:MSIL/Barys.RDB!MTB Severe Dec. 21, 2023
Trojan:MSIL/Barys!MTB is also detected as:
AVG FileRepMalware
Avira HEUR/AGEN.1118538
BitDefender Gen:Variant.Barys.55609
ESET-NOD32 A Variant Of MSIL/Kryptik.GZH
F-Prot W32/MSIL_Injector.CE.gen!Eldorado
F-Secure Heuristic.HEUR/AGEN.1118538
Fortinet MSIL/Kryptik.GZH!tr
Kaspersky HEUR:Trojan.Win32.Generic
Malwarebytes Trojan.Crypt.MSIL.Generic
McAfee Trojan-FJNR!BCB2DE243E6B
Symantec W32.Golroted

For more help

The existence of several risks and iterations of a single Trojan:MSIL/Barys!MTB is well acknowledged. Analyze the Trojan category to identify pertinent hazards and workable solutions.

How to remove Trojan:MSIL/Barys!MTB?

To totally remove Trojan:MSIL/Barys!MTB from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Step 1 : Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted computer security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of computer virus like Trojan:MSIL/Barys!MTB through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the database file; please wait for this process to complete.

6. To begin checking for threats like Trojan:MSIL/Barys!MTB, click on the Start Scan button. Wait for this scan to finish.

Screenshot of Combo Cleaner PC

7. At the end of the scan process, click on Remove all threats to delete Trojan:MSIL/Barys!MTB malware, including all malicious objects from the computer.

To fully optimize the features of antivirus and privacy scanners, users may have to upgrade to the premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the computer virus and malicious items linked to it.

Step 2 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of Trojan:MSIL/Barys!MTB. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of Win 11 Search

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of Msconfig Win 11

4. Under the Boot Options area, please check Safe Boot so that it starts in Safe Mode after restarting.

5. Next, select Network. This will allow Windows to boot in Safe Mode with Networking.

6. Lastly, click on Apply and OK to save the changes.

7. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 3 : Run Sophos Home Virus Scanner

To remove Trojan:MSIL/Barys!MTB automatically, scanning the computer with this powerful virus and malware removal tool is recommended. This scanner does not just uncover known threats like viruses or malware; it is also effective in discovering harmful files associated to Trojan:MSIL/Barys!MTB.

1. Please click on the link below to download the program.

2. After downloading, locate the file SophosInstall.exe in the Downloads folder.

3. Install by double-clicking on the file.

4. If it prompts "Do you want to allow this app to make changes on your device?" please click Yes.

5. Next, it will display the Terms and Conditions page. Click the Install button to begin.

Screenshot of Terms by Sophos Home

6. Run the installation with the default settings. Please note that an internet connection is required in order to download important updates.

7. After finishing the installation, you must login to the dashboard. If you already have a Sophos account, please login. Otherwise, please enter your details and click on the Create Account button.

8. Once you are in the Sophos Home console, click the Scan button to start checking the computer for Trojan:MSIL/Barys!MTB components.

Screenshot of Sophos Home

9. Scanning may take a while; please wait for this process to finish.

10. After scanning the computer, Sophos Home will start cleaning or deleting files infected with Trojan:MSIL/Barys!MTB.

11. You may now close Sophos Home. The computer is now free from Trojan:MSIL/Barys!MTB, as well as associated malware and viruses.

After executing the above instructions, Trojan:MSIL/Barys!MTB should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 4 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with Trojan:MSIL/Barys!MTB. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove Trojan:MSIL/Barys!MTB, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm and search for Windows Security

2. Click Open to run the program.

Screenshot of Win 11 Search

3. On the Dashboard, click Virus and threat protection from the sidebar.

Screenshot of Win 11 Virus Protection

4. On the right panel, click on Scan Options to see different levels of checking the computer.

5. Next, please select Full Scan button.

Screenshot of Full Scan Win 11

6. Lastly, click on the Scan now button to start scanning for the presence of Trojan:MSIL/Barys!MTB. The process may take a while to complete.

7. After the scan, Delete/Quarantine identified threats, whether they were relevant to Trojan:MSIL/Barys!MTB or not. You may now restart Windows to complete the virus removal process.

For Windows 8.1 and Windows 7, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

About the author

Leave a Comment

Your email address will not be published. Required fields are marked *