How to remove MMNN ransomware and decrypt .MMNN files

What is MMNN?

Every day the internet users have to face new threats. The one of the most malicious ones is called MMNN ransomware. This virus belongs to the STOP(DJVU) file-encryption ransomware family, the members of which are OOSS, NCOV, BBOO, ALKA, REPP, NPSG, BTOS, TOPI, REHA, NOSU, PORET and KODC ransomwares. In case of MMNN ransomware, it has all chances of becoming the most widespread one. It’s so because of the ways it spreads. The most widely used nowadays is the use of fake installers. Sometimes, in order to share such files, criminals create fake websites. They look like original sites, that belong to trustful companies. Moreover, hackers often inject the code of the virus into a regular files, like documents, and send them by email. If the virus successfully got into the operating system, it changes some keys in the Registry and infects system processes. That’s why it’s important to have a strong antivirus protection, as it can prevent such an attack beforehand. By the means of the infected system processes, MMNN ransomware modifies file structures (encrypts) and makes the files unreadable. The clearest sign of it is “.MMNN” extension. Then it drops the ransom note, called “_readme.txt”. The purpose of this note is to lure victims into purchasing of the decryptor. It’s the surest way, but not the only one to decrypt your data. As the rule hackers don’t respond to the messages after being paid, or make the situation much worse. That’s why we’ve prepared the detailed guide on how to remove MMNN ransomware and decrypt .MMNN files for free!

_readme.txt

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Article’s Guide

1. How to remove MMNN Ransomware from your computer
2. How to decrypt .MMNN files
3. Data Recovery
4. Automated decryption tools
5. Other software

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How to remove MMNN Ransomware from your computer?

We strongly recommend you to use a powerful anti-malware program that has this threat in its database. It will mitigate the risks of the wrong installation, and will remove MMNN ransomware from your computer with all of its leftovers and register files.

Solution for Windows users: our choice is Norton 360 . Norton 360 scans your computer and detects various threats like MMNN, then removes it with all of the related malicious files, folders and registry keys.

Download Norton

If you are Mac user, we advise you to use Combo Cleaner.

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How to decrypt .MMNN files?

Once you’ve removed the virus, you are probably thinking how to decrypt .OOSS files or at least restore them. Let’s take a look at possible ways of decrypting your data.

Restore .MMNN files with Stellar Data Recovery

1. Download and install Data Recovery
2. Select drives and folders with your files, then click Scan.
3. Choose all the files in a folder, then press on Restore button.
4. Manage export location.

Download Stellar Data Recovery

_{The download is an evaluation version for recovering files. To unlock all features and tools, purchase is required ($49.99-299). By clicking the button you agree to EULA and Privacy Policy. Downloading will start automatically.}

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Decrypt .MMNN files with other software

Unfortunately, due to the novelty of MMNN ransomware, there are no decryptors that can surely decrypt encrypted files. Still, there is no need to invest in the malicious scheme by paying a ransom. You are able to recover files manually.
You can try to use one of these methods in order to restore your encrypted data manually.

Decrypt .MMNN files with Emsisoft decryptor

This software includes information about more than 100 viruses of STOP(DJVU) family and others. All that you need are two files or some luck. You can freely use it as it distributes free of charge. If it doesn’t work for you, you can use another method.