Don't pay off Ryuk ransomware, warn infoseccers: Its creators borked the decryptor

Oracle DBs particularly vulnerable to fake decryptions, say researchers

If you're an Oracle database user and are tempted to pay off a Ryuk ransomware infection to get your files back, for pity's sake, don't. The criminals behind it have broken their own decryptor, meaning nobody will be able to unlock files scrambled by the malicious software."