Operation Cronos
https://www.bleepingcomputer.com/news/security/police-arrest-lockbit-ransomware-members-release-decryptor-in-global-crackdown/
Update February 20, 07:21 EST: Article updated with further details on the operation.
Law enforcement arrested two operators of the LockBit ransomware gang in Poland and Ukraine, created a decryption tool to recover encrypted files for free, and seized over 200 crypto-wallets after hacking the cybercrime gang's servers in an international crackdown operation.