Mpaj Virus


Mpaj is a malware program that attacks Windows computers with the goal of denying its victims access to their own data files. Mpaj belongs to the file-encrypting Ransomware category as it uses data encryption to lock the files of the attacked users.

Mpaj Virus

The Mpaj Virus Ransomware file encryption

This malware type is very common and it is also highly effective in staying unnoticed while secretly applying encryption to the users’ files. The goal of this virus is to force its victims to pay money in order to restore access to the encrypted data. Only then would the hackers behind the Ransomware (supposedly) allow their victims to recover the locked files. However, it is unwise to trust any promises made by the same people who are responsible for your inability to open and use your own personal data. After all, the hackers behind Mpaj are after your money and they couldn’t care less if you actually get to restore your files or not. This means that it is definitely within the realm of possibility that they may refuse to provide you with the means to release your data even after you’ve followed their instructions and paid the demanded ransom sum.

The Mpaj virus

The Mpaj virus is data-targeting malware that seeks to prevent its victims from accessing the files stored on the attacked computers. The Mpaj virus then displays a ransom note that informs the victim they must pay a ransom to restore their data.

For users who don’t have any too important files on their computers’ hard drives, such a malware attack wouldn’t be all that devastating since Ransomware viruses cannot cause any other issues. Viruses like Mpaj typically cannot corrupt the system, steal sensitive data from the computer, or spy on their victims. Instead, they simply encrypt the files of the user, making them unavailable.

Another scenario in which the effects of a Ransomware attack would be all but nullified is when the victim has backups of their important data. In such a case, even if the original files on the computer are locked, the user would still have accessible copies of those files on their backup location. Of course, in either of those cases, the virus would still need to be removed in order to prevent future encryption of new files or the encryption of the files located on the backup when it is connected to the computer.

The Mpaj file decryption

The Mpaj file decryption is the recovery process the completion of which would make the encrypted files free again. The Mpaj file decryption requires the application of a special key that is unique for each PC that the Ransomware virus has infected.

Of course, this key is what you are supposed to receive from the hackers after you pay the ransom. However, as we said, trusting the promises of those cybercriminals is inadvisable. Instead, our advice for you is to remove the virus using the instructions you’ll find down below. Then, after the Ransomware is no longer on your computer, you can move on to the recovery section of the guide, where you will find some free alternative file restoration methods that may help some of you bring your data back.


Name Mpaj
Type Ransomware
Danger Level High (Ransomware is by far the worst threat you can encounter)
Symptoms Most Ransomware viruses run their encryption process in full silence, showing no visible symptoms and triggering no response from the antivirus on the computer.
Distribution Method Currently, the most widely used distribution method for Ransomware seems to be the use of Trojan horse backdoor viruses.
Data Recovery Tool [banner_table_recovery]
Detection Tool

Remove Mpaj Ransomware

Mpaj Virus

Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).

Mpaj Virus


Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 

Mpaj Virus

Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Mpaj Virus
Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result
Mpaj VirusClamAV
Mpaj VirusAVG AV
Mpaj VirusMaldet

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections.

Mpaj Virus

Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

Mpaj Virus

If there are suspicious IPs below “Localhost” – write to us in the comments.

Type msconfig in the search field and hit enter. A window will pop-up:

Mpaj Virus

Go in Startup —> Uncheck entries that have “Unknown” as Manufacturer.

  • Please note that ransomware may even include a fake Manufacturer name to its process. Make sure you check out every process here is legitimate.

Mpaj Virus

Type Regedit in the windows search field and press EnterOnce inside, press CTRL and F together and type the virus’s Name. 

Search for the ransomware  in your registries and delete the entries. Be extremely careful –  you can damage your system if you delete entries not related to the ransomware.

Type each of the following in the Windows Search Field:

  1. %AppData%
  2. %LocalAppData%
  3. %ProgramData%
  4. %WinDir%
  5. %Temp%

Delete everything in Temp. The rest just check out for anything recently added. Remember to leave us a comment if you run into any trouble!

Mpaj Virus 

How to Decrypt Mpaj files

We have a comprehensive (and daily updated) guide on how to decrypt your files. Check it out here.

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!


About the author


Brandon Skies

Brandon is a researcher and content creator in the fields of cyber-security and virtual privacy. Years of experience enable him to provide readers with important information and adequate solutions for the latest software and malware problems.


    • Heelo Eugene, you can remove the virus from your computer by following our guide, but this is one of the newest ransomware variants and file decryption is not possible yet.

  • hi, my all videos my images files have been damaged corrupted ,its shows same extension mpaj ive tried alot of things but none are useful to decrpyt my data any ideas hwo can i recover them,,?

    • Hello karan, your PC seems to have been infected with one of the newest ransomware virus variants and at this point file recovery is not yet possible.

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