How to remove MZLFF Ransomware and decrypt .locked files

What is MZLFF Ransomware

MZLFF Ransomware is a malicious software that encrypts files on a victim’s computer. This type of malware targets various file types, rendering them inaccessible by appending the .locked extension to the original filenames. For instance, a file named document.doc would be renamed to document.doc.locked once encrypted. Utilizing 256-bit AES encryption, it ensures that files are securely locked, making decryption without the unique key held by the cybercriminals exceedingly difficult. Users typically encounter a ransom note shortly after encryption, which is displayed in a prominent pop-up window. The note, often written in Russian, demands a payment in Bitcoin, specifying an address to which victims are instructed to transfer a small amount of cryptocurrency to retrieve their decryption key. It also includes threats about the destruction of the decryption key if payment isn’t made promptly, exacerbating the urgency and fear among victims.

Unfortunately, there are currently no publicly available decryption tools for those afflicted by MZLFF. Recovering .locked files without the attackers’ cooperation is largely dependent on whether security researchers identify weaknesses in the ransomware coding or if a universal decryption key is obtained. However, victims are strongly advised against paying the ransom, as there is no guarantee the attackers will provide a working decryptor. The recommended action is to remove the ransomware using trusted antivirus software, such as Combo Cleaner, which can prevent further file encryption and potential spread to other devices within the network. In the absence of a decryptor, restoring files from a backup, provided they exist, remains the most effective method of data recovery. Regularly updating and maintaining backups, as well as employing strong cybersecurity measures, is crucial in mitigating the effects of ransomware attacks.

How MZLFF Ransomware infects computers

MZLFF Ransomware infiltrates computers through various deceptive methods, exploiting users’ interactions with malicious content. Typically, cybercriminals distribute this ransomware via phishing emails that contain infected attachments or links, often disguised as legitimate communications. Once the victim opens these attachments or clicks the links, the ransomware is executed, beginning the encryption process on the victim’s files. Another common infection vector is through downloads from untrustworthy sources, such as pirated software, key generators, or torrent websites, where the ransomware is hidden within seemingly harmless files. Additionally, malicious advertisements and compromised websites can automatically download and execute the ransomware when users visit them without proper security measures. Exploiting software vulnerabilities is another tactic, where unpatched systems are targeted, allowing the ransomware to bypass security protocols and gain unauthorized access to the computer system.

1. Download MZLFF Ransomware Removal Tool
2. Get decryption tool for .locked files
3. Recover encrypted files with Stellar Data Recovery Professional
4. Restore encrypted files with Windows Previous Versions
5. Restore files with Shadow Explorer
6. How to protect from threats like MZLFF Ransomware

MZLFF Ransomware files:


Pop-up window
{randomname}.exe


MZLFF Ransomware registry keys:

no information

How to decrypt and restore .locked files

Use automated decryptors

Download Kaspersky RakhniDecryptor

Use the following tool from Kaspersky called Rakhni Decryptor, that can decrypt .locked files. Download it here:

Download RakhniDecryptor

There is no purpose to pay the ransom because there is no guarantee you will receive the key, but you will put your bank credentials at risk.

Dr.Web Rescue Pack

Famous antivirus vendor Dr. Web provides free decryption service for the owners of its products: Dr.Web Security Space or Dr.Web Enterprise Security Suite. Other users can ask for help in the decryption of .locked files by uploading samples to Dr. Web Ransomware Decryption Service. Analyzing files will be performed free of charge and if files are decryptable, all you need to do is purchase a 2-year license of Dr.Web Security Space worth $120 or less. Otherwise, you don’t have to pay.

If you are infected with MZLFF Ransomware and removed from your computer, you can try to decrypt your files. Antivirus vendors and individuals create free decryptors for some crypto-lockers. To attempt to decrypt them manually, you can do the following:

Use Stellar Data Recovery Professional to restore .locked files

1. Download Stellar Data Recovery Professional.
2. Click Recover Data button.
3. Select the type of files you want to restore and click Next button.
4. Choose the location where you would like to restore files from and click Scan button.
5. Preview found files, choose ones you will restore and click Recover.

Download Stellar Data Recovery Professional

Using Windows Previous Versions option:

1. Right-click on infected file and choose Properties.
2. Select Previous Versions tab.
3. Choose a particular version of the file and click Copy.
4. To restore the selected file and replace the existing one, click on the Restore button.
5. In case there are no items in the list, choose an alternative method.

Using Shadow Explorer:

1. Download Shadow Explorer program.
2. Run it, and you will see a screen listing of all the drives and the dates that shadow copy was created.
3. Select the drive and date that you want to restore from.
4. Right-click on a folder name and select Export.
5. In case there are no other dates in the list, choose an alternative method.

If you are using Dropbox:

1. Login to the Dropbox website and go to the folder that contains encrypted files.
2. Right-click on the encrypted file and select Previous Versions.
3. Select the version of the file you wish to restore and click on the Restore button.

How to protect computer from viruses, like MZLFF Ransomware, in future

1. Get special anti-ransomware software

Use ZoneAlarm Anti-Ransomware

Famous antivirus brand ZoneAlarm by Check Point released a comprehensive tool, that will help you with active anti-ransomware protection, as an additional shield to your current protection. The tool provides Zero-Day protection against ransomware and allows you to recover files. ZoneAlarm Anti-Ransomware is compatible with all other antiviruses, firewalls, and security software except ZoneAlarm Extreme (already shipped with ZoneAlarm Anti-Ransomware) or Check Point Endpoint products. The killer features of this application are: automatic file recovery, overwrite protection that instantly and automatically recovers any encrypted files, file protection that detects and blocks even unknown encryptors.

Download ZoneAlarm Anti-Ransomware

2. Back up your files

As an additional way to save your files, we recommend online backup. Local storage, such as hard drives, SSDs, flash drives, or remote network storage can be instantly infected by the virus once plugged in or connected to. MZLFF Ransomware uses some techniques to exploit this. One of the best services and programs for easy automatic online backup is iDrive. It has the most profitable terms and a simple interface. You can read more about iDrive cloud backup and storage here.

3. Do not open spam e-mails and protect your mailbox

Malicious attachments to spam or phishing e-mails are the most popular method of ransomware distribution. Using spam filters and creating anti-spam rules is good practice. One of the world leaders in anti-spam protection is MailWasher Pro. It works with various desktop applications and provides a very high level of anti-spam protection.

Download MailWasher Pro