Malware
Satana
According to bitdefender, Satana is an aggressive ransomware for Windows that encrypts the computer’s master boot record (MBR) and prevents it from starting.
Satana is a Windows malware family.
Background
Bitdefender characterizes Satana as a particularly aggressive Windows ransomware that encrypts the system's master boot record (MBR), leaving the machine unable to boot.
Source: Malpedia (Fraunhofer FKIE).