MMVB Virus (.mmvb File) Ransomware — Remove & Decrypt Files

If you can’t open your images, documents, or other files and also see the .mmvb extension on them, your system is definitely infected with Mmvb ransomware. It belongs to STOP/Djvu ransomware group

Mmvb ransomware ciphers personal files found on the victim’s PC with the extension “.mmvb” and after that creates the ransom note in each folder which contains encrypted files. The instructions are placed on the victim’s desktop in the “readme.txt” file. Its task is pretty much similar to other samples of the same family: Mmpu, Oovb, Oodt.

What is Mmvb Ransomware?

NameMmvb Virus
Ransomware family1DJVU/STOP2 ransomware
Extension.mmvb
Ransomware note_readme.txt
RansomFrom $490 to $980
Contactmanager@mailtemp.ch, helprestoremanager@airmail.cc
SymptomsThe images, videos, and other documents have the “.mmvb” extension and cannot be opened by any programs
Fix Tool Trojan Killer – ransomware infections tool. 14-day free trial.

Mmvb is file-encrypting ransomware that prevents access to your text files, Excel tables, videos and photos by encrypting them. It marks the encrypted files with the “.mmvb” extension. Then Mmvb ransomware adds a ransom note (readme.txt) to each folder. In it, you can see the instructions to pay the ransom ($490-$980 in Bitcoin) to a certain Bitcoin wallet. The AES-256 or RSA-1028 cipher it uses to encrypt the documents is not decryptable with contemporary computers. Even quantum computers that currently exist will likely spend hundreds of years to get the decryption key.

How dangerous is the Mmvb ransomware?

When Mmvb ransomware gets in your system, it will check your system for images, videos, and also important documents. It encrypt] all widespread file formats- .psd, .doc, .docx, .xls, .xlsx, .pdf, .jpeg, .png, et cetera. When these files are found, the ransomware will cipher them and also change their extension to “.mmvb” so that you understand what happened.

After the Mmvb ransomware ciphered the files on your computer, it will drop the last “readme.txt” file on the main screen. Besides the money transferring instructions, the victims also see the email addresses to contact the cybercriminals – helprestoremanager@airmail.cc and manager@mailtemp.ch.

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

ATTENTION!

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:
https://we.tl/t-fhnNOAYC8Z
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:
manager@mailtemp.ch

Reserve e-mail address to contact us:
helprestoremanager@airmail.cc

How did the Mmvb ransomware get on my computer?

The Mmvb ransomware spreads by placing links to download hacked programs or games. Cybercriminals who spread this ransomware are pretty clever, and try to keep in touch with current things. New games introductions, new popular films – Mmvb creators make everything to get their money on that. Some of the most preferred tactics these criminals put to use is one-day websites with torrent downloading links. Nevertheless, using the current news is not the single way these crooks use. Methods that have already turned into standard, such as email spamming, are also ordinary for STOP/Djvu ransomware distribution.

Malicious email spam
The example of email spamming that may lead to Mmvb ransomware injection

Avoiding this ransomware does not need a lot of effort. Using the ordinary rules of PC hygiene will substantially minimize all risks. Remember that starting all files you get on email is not a great option. Even worse case is to allow macros in Microsoft Office files. However, it is better to stop the malware intrusion at the moment when you have only opened the email message. Checking the sender’s address can say a lot about what you can anticipate, and when you see the thing like “support@amazon.com”– it is likely a trustworthy email. On the other hand, stuff that tries to resemble Amazon or FedEx delivery notification, but uses the email address of “amazonspurrot1363@gmail.com”– need to make you be on the alarm. Above, you can see the illustration of such a message.

Outlaw sources of various digital things need some extra description. Violating copyright law already exposes you to the possibility of being fined. Nonetheless, using torrent trackers or third-party sites to download “free” programs also exposes you to various malware. Nobody can control unnamed people that launch the torrent seeding or release the hacked program version on the site with pirated software.

Mmvb 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 Mmvb 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 Mmvb ransomware

In most cases, it’s impossible to recover the files encrypted by the Mmvb 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 Mmvb 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 .mmvb 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 Mmvb 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.

MMVB Ransomware — How To Remove Virus & Decrypt Files?

Name: MMVB Virus

Description: MMVB Virus is a STOP/DJVU family of ransomware-type virus. It encrypts files, video, photos, documents. Encrypted files can be tracked by a specific mmvb extension. MMVB 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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  1. My files are encrypted by ransomware, what should I do now?
  2. About DJVU (STOP) Ransomware: https://gridinsoft.com/ransomware/djvu
  3. More about Trojan Killer: https://gridinsoft.com/trojankiller

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About 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.