[Diavol](https://attack.mitre.org/software/S0659) is a ransomware variant first observed in June 2021 that is capable of prioritizing file types to encrypt based on a pre-configured list of extensions defined by the attacker. The [Diavol](https://attack.mitre.org/software/S0659) Ransomware-as-a Service (RaaS) program is managed by [Wizard Spider](https://attack.mitre.org/groups/G0102) and it has been observed being deployed by [Bazar](https://attack.mitre.org/software/S0534).(Citation: Fortinet Diavol July 2021)(Citation: FBI Flash Diavol January 2022)(Citation: DFIR Diavol Ransomware December 2021)(Citation: Microsoft Ransomware as a Service)