QNAP force-updates NAS devices with latest security updates to protect against DeadBolt ransomware. Ransomware encrypts Internet-exposed QNap NAS devices worldwide. DeadBolter gang claims to be using a zero-day vulnerability to hack devices and encrypt files using the.deadbolt extension to file names. The ransom note demands 0.03 bitcoins, worth approximately $1,100, to receive a decryption key and recover data. Deadbolt has already encrypted over 3,600 devices worldwide, with some users successfully paying the ransom.”]