Ryuk (8ae86854-4cdc-49eb-895a-d1fa742f7974)

Ryuk is a ransomware designed to target enterprise environments that has been used in attacks since at least 2018. Ryuk shares code similarities with Hermes ransomware.^{[CrowdStrike Ryuk January 2019]}^{[FireEye Ryuk and Trickbot January 2019]}^{[FireEye FIN6 Apr 2019]}

Cluster A	Galaxy A	Cluster B	Galaxy B	Level
FIN12 (6d6ed42c-760c-4964-a81e-1d4df06a8800)	Tidal Groups	Ryuk (8ae86854-4cdc-49eb-895a-d1fa742f7974)	Tidal Software	1
Wizard Spider (0b431229-036f-4157-a1da-ff16dfc095f8)	Tidal Groups	Ryuk (8ae86854-4cdc-49eb-895a-d1fa742f7974)	Tidal Software	1
Ryuk (8ae86854-4cdc-49eb-895a-d1fa742f7974)	Tidal Software	FIN6 (fcaadc12-7c17-4946-a9dc-976ed610854c)	Tidal Groups	1