MATU Virus (.matu File) Ransomware — Remove & Decrypt Files

Written by William Reddy

If you can’t open your photos, documents, or data and also see the .matu extension on them, your computer is definitely infected with Matu ransomware. It belongs to STOP/Djvu ransomware family

Matu ransomware ciphers personal documents located on the victim’s PC with the extension “.matu” and then generates the ransom note in each folder which contains encrypted files. The instructions are put on the victim’s PC in the “readme.txt” file. Its task is basically similar to other samples of the same ransomware family: Maos, Manw, Mbtf.

What is Matu Ransomware?

NameMatu Virus
Ransomware family1DJVU/STOP2 ransomware
Ransomware note_readme.txt
RansomFrom $490 to $980,
SymptomsThe images, videos, and other documents have the “.matu” extension and cannot be opened by any programs
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Matu is file-encrypting ransomware that prevents normal access to your text files, Excel tables, videos and photos by encrypting them. It marks the encrypted files with the “.matu” extension. Then Matu ransomware adds a money ransom note (readme.txt) to each folder. In this note, you can see the guidance to pay the ransom ($490-$980 in Bitcoin) to a specified Bitcoin address. The AES-256 or RSA-1028 cipher it utilizes to cipher the documents is not decryptable with modern computers. Even quantum PCs that already exist will spend thousands of years to find the decryption key.

How dangerous is the Matu ransomware?

When Matu ransomware gets on your computer, it will run through your disks for images, videos, and also important documents. It [ciphers all widespread file formats- .psd, .doc, .docx, .xls, .xlsx, .pdf, .jpeg, .png, et cetera. When these files are found, the ransomware will encrypt them and change their extension to “.matu” to ensure that you understand what happened.

After the Matu ransomware encrypted the files on your PC, it will drop the last “readme.txt” file on the desktop. Besides the money transferring instructions, the victims also see the emails to contact the cybercriminals – and

Here is the money ransom note that the Matu ransomware shows to its victims:


Don't worry, you can return all your files!
All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that's price for you is $490.
Please note that you'll never restore your data without payment.
Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours.

To get this software you need write on our e-mail:

Reserve e-mail address to contact us:

How did the Matu ransomware get on my computer?

The Matu ransomware spreads by placing websites to download hacked programs or games. Cybercriminals that spread this ransomware are quite tricky, and try to correspond with the latest trends. New games introductions, new popular movies – Matu creators make whatever to get their money on that. Some of the most favored tactics these crooks utilize is one-day websites with torrent downloading links. Nevertheless, using the current things is not the single way these burglars use. Options that have already turned into classic, such as e-mail spamming, are also normal for STOP/Djvu ransomware distribution.

Malicious email spam

The example of email spamming that may lead to Matu ransomware injection

Avoiding this ransomware does not require a lot of initiative. Following the regular principles of PC hygiene will noticeably reduce all risks. Remember that starting all documents you receive on email is not a good idea. Even worse case is to enable macros in Microsoft Office files. However, it is much better to prevent the malware intrusion at the moment when you have just opened the email message. Inspecting the sender’s address can point out a lot about what you can expect, and also when you see things like “”– it is likely a genuine e-mail. At the same time, stuff that tries to resemble Amazon or FedEx shipping notification, however, uses the e-mail address of “”– need to make you get on the alarm. Above, you can see the example of such a message.

Illegal sources of various digital things require some extra explanation. Going against copyright law already exposes you to the danger of being fined. Nevertheless, utilizing torrent trackers or third-party sites to download “free” programs likewise exposes you to various malware. Nobody can control unnamed people that start the torrent seeding or release the hacked program version on the site with pirated software.

Matu virus removal instructions.

Download Trojan Killer Portable

Trojan Killer Portable Download

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This guide below shows how to use Trojan Killer Portable3 for Matu virus detection and removal:

  • STEP 1. Download and install Trojan Killer.

  • STEP 2. Click on "Finish".

  • STEP 3. Wait until necessary updates are downloaded and installed.

  • STEP 4. Select computer scan type.

  • STEP 5. The software will begin scanning your computer.

  • STEP 6. Click on "Cure PC".

Restore the files encrypted by the Matu ransomware

In most cases, it’s impossible to recover the files encrypted by the Matu ransomware because the private key needed to unlock the encrypted files is only available through cybercriminals. However, we’ve listed one option you can use to recover your files below.

Warning! Make sure you remove the ransomware from your system first, otherwise, it will repeatedly encrypt your files.

If your files were encrypted with an offline key, there is a chance you can recover them by using Emsisoft Decryptor for the STOP/Djvu decryption tool. Follow the below guide to recover your files using the Emsisoft Decryptor for STOP/Djvu.

  1. You can download Emsisoft Decryptor for STOP Djvu by clicking this link.
  2. When the decryptor has finished downloading, double-click on “decrypt_STOPDjvu.exe” to run this program on your computer.
  3. Click the “Decrypt” button to start the decryption process for Matu files. The screen will switch to a status view, informing you about your files’ current process and decryption status.
  4. The decryptor will inform you once the decryption process will be finished. If you require the report for your records, you can save it by clicking the “Save log” button.

If the Emsisoft Decryptor can’t decrypt your .matu files and you do not plan on paying the ransom, it is advised that you make an image of the encrypted drives so that you can decrypt them in the future.

Your computer should now be free of the Matu ransomware infection. However, suppose your current antivirus allowed this malicious program on your computer. In that case, you might want to consider purchasing the full-featured version of Trojan Killer to protect against these types of threats in the future.

Remove MATU Ransomware Virus (DECRYPT .matu FILES)

Name: MATU Virus

Description: MATU Virus is a STOP/DJVU family of ransomware-type virus. It encrypts files, video, photos, documents. Encrypted files can be tracked by a specific matu extension. MATU ransomware asks victims for a ransom fee about $490 - $980 in Bitcoin.

Offer price: 480

Currency: $

Operating System: Windows

Application Category: Virus

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About the author

William Reddy

I am from Ireland. My parents bought me a computer when I was 11, and several months after I have got a virus on this PC. I decided to enter the INSA Centre Val de Loire university after being graduated from the school. This French educational institution was offering a brand-new cybersecurity course. After getting the master's degree in cybersecurity, I've started working as a virus analyst in a little anti-malware vendor.

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