How to remove MattVenom Ransomware and decrypt your files

What is MattVenom Ransomware

MattVenom Ransomware constitutes a nefarious strain of malware that encrypts user data and demands payment for decryption. Discovered during an analysis of malware submissions, it is akin to other ransomware types like RdpLocker and CATAKA. Upon execution, it encrypts files, appending random extensions such as “.31jPB” or “.3c45b”, rendering them inaccessible to the victim. The ransomware adopts robust encryption methods, often making it impossible for users to recover files without the attackers’ decryption tools. Once the files are locked, the ransomware alters the computer’s desktop wallpaper and drops a ransom note titled Readme.txt on the system. This note directs victims to transfer $500 in Bitcoin to a specified wallet and contact the attackers via email or Tox ID for further instructions. It explicitly warns that if the ransom is not paid within 72 hours, the cost will increase, with the threat of permanent data loss after seven days.

Despite the urgency conveyed in the ransom note, obtaining a decryption tool from the attackers is strongly discouraged, as there are no guarantees they will honor their side of the deal. Currently, no known decryption tools are available from reputable third-party sources to counteract the encryption methods utilized by MattVenom, potentially leaving victims in a precarious situation. Recovering encrypted files without the attackers’ key is generally impossible, especially in cases where the ransomware employs advanced encryption techniques. However, users can mitigate potential losses by having comprehensive data backups stored offline or securely in the cloud. Those already affected should focus on isolating the infected device, removing the ransomware with trusted antivirus software, and exploring potential recovery options, such as restoring files from backups or attempting third-party data recovery software, provided the encryption flaw exists in the ransomware’s development.

How MattVenom Ransomware infects computers

MattVenom Ransomware infiltrates computers through various deceptive methods, primarily exploiting users’ lack of vigilance. Cybercriminals often distribute this malware via malicious email attachments, which may appear as legitimate documents but contain hidden scripts that execute the ransomware upon opening. Additionally, MattVenom can spread through compromised websites and malicious advertisements that redirect users to exploit kits, which automatically download and run the ransomware. Vulnerabilities in outdated software or operating systems also serve as entry points, allowing the ransomware to bypass security measures and initiate the encryption process. Furthermore, the use of pirated software, torrent downloads, and infected USB drives can inadvertently introduce MattVenom into systems, emphasizing the need for cautious online behavior and robust security practices to prevent infection.

1. Download MattVenom Ransomware Removal Tool
2. Get decryption tool for encrypted 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 MattVenom Ransomware

MattVenom Ransomware files:


Readme.txt
{randomname}.exe


MattVenom Ransomware registry keys:

no information

How to decrypt and restore encrypted files

Use automated decryptors

Download Kaspersky RakhniDecryptor

Use following tool from Kaspersky called Rakhni Decryptor, that can decrypt encrypted 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 encrypted 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 MattVenom 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 encrypted files

1. Download Stellar Data Recovery Professional.
2. Click Recover Data button.
3. Select type of files you want to restore and click Next button.
4. Choose 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 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 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 MattVenom 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. MattVenom 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