A ransomware victim got revenge by hacking into his Bitcoin-demanding attacker’s systems and releasing their decryption keys on the internet. This could be the most satisfying ransomware story ever. Over the past few weeks an attacker has been hacking into publicly exposed QNAP Network Attached Storage devices and encrypting the files with the Muhstik Ransomware. They weren’t too greedy though, demanding a fairly affordable ransom of 0.09 Bitcoin or around $700, for the key to decrypt the files. After European computer expert Tobias Fromel had his files encrypted, he paid the equivalent of 670 Euro to get them back – ... (full story)