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Please note that these free tools are provided as-is and without warranty of any kind. The tools may only work with specific ransomware versions, and may not work with versions that were released after a tool was created. Technical support for the tools is available only to customers using a paid Emsisoft product.

[Aug, 27, 2021] - Version: 1.0.0.0

Ragnarok decryptor

Ragnarok ransomware encrypts victim's files using AES-256 and RSA-4096, adding the extension "..thor" or "..hela".

To decrypt your files, you will need to provide the decryptor with your ransom note.

Note, due to a bug in the older malware, extensions ".ragnarok" and ".ragnarok_cry" cannot be decrypted at this time.

Detailed usage guide

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Emsisoft > Ransomware Decryption > Ragnarok decryptor