The universal decryption key for REvil’s attack on Kaseya’s customers has been leaked on hacking forums. Security researcher Pancak3 told BleepingComputer that someone posted a screenshot of what they claimed was a universal REvil decryptor on a hacking forum. The leaked key generates public key F7F020C8BBD612F8966EFB9AC91DA4D10D78D1EF4B649E61C2B9ADA3FCC2C2C853.
Source: https://www.bleepingcomputer.com/news/security/kaseyas-universal-revil-decryption-key-leaked-on-a-hacking-forum/