How to remove Griffin Ransomware and decrypt .griffin files

What is Griffin Ransomware

Griffin Ransomware, recognized for its severe impact on victims, is a malicious program designed to encrypt files and extort payments for their decryption. This ransomware primarily changes the names of the encrypted files to a random character string, appending the .griffin extension to each file. It employs robust encryption algorithms, making it difficult for any unauthorized party to access the locked files without the appropriate decryption key held by the attackers. Upon successful encryption, Griffin Ransomware generates a ransom note, typically titled #Recovery.txt, and drops it onto the desktop or into folders containing the infected files. The ransom note informs victims of the encryption, providing contact details for the cybercriminals while also implying a severe financial consequence if the ransom is not paid promptly.

Currently, no publicly available decryption tools exist for recovering files encrypted by Griffin Ransomware, primarily due to its sophisticated encryption methods. Victims are strongly cautioned against paying the ransom demanded by the attackers, as this does not guarantee that they will receive the decryption key. Instead, it is advisable to attempt to recover files through backup systems or data recovery software, but success rates may vary. To decrypt .griffin files, individuals would typically need to refer to backup copies that were created before the attack, as manual decryption without the attackers’ involvement remains exceedingly unlikely. Cybersecurity experts consistently stress the importance of maintaining regular backups and employing robust antivirus solutions to prevent such infections in the first place. Long-term protection relies on proactive measures such as user education about phishing and employing reliable security software.

How Griffin Ransomware infects computers

Griffin ransomware primarily infects computers through various tactics that exploit user vulnerabilities, with phishing emails being one of the most common methods. Cybercriminals often disguise malicious attachments or links as legitimate content, prompting unsuspecting users to download and execute the ransomware inadvertently. Additionally, Griffin can spread through malicious advertisements on compromised websites and through drive-by download attacks that initiate when a user visits an infected site. The ransomware may also be bundled with legitimate software obtained from untrustworthy sources, further increasing the risk of infection. Once executed, Griffin encrypts files and appends the “.griffin” extension, rendering them inaccessible until a ransom is paid. To mitigate these risks, users should exercise caution when opening emails from unknown senders and only download software from verified sources.

1. Download Griffin Ransomware Removal Tool
2. Get decryption tool for .griffin 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 Griffin Ransomware

Griffin Ransomware files:


#Recovery.txt
{randomname}.exe


Griffin Ransomware registry keys:

no information

How to decrypt and restore .griffin files

Use automated decryptors

Download Kaspersky RakhniDecryptor

Use the following tool from Kaspersky called Rakhni Decryptor, that can decrypt .griffin 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 .griffin 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 Griffin 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 .griffin 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 Griffin 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. Griffin 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