Hide Navigation Hide TOC GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) GMER is a tool used to remove rootkits.[U.S. CISA Understanding LockBit June 2023] Cluster A Galaxy A Cluster B Galaxy B Level LockBit Ransomware Actors & Affiliates (d0f3353c-fbdd-4bd5-8793-a42e1f319b59) Tidal Groups GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software 1 Play Ransomware Actors (6eb50f82-86cc-4eff-b1d1-66e1c6fd74f3) Tidal Groups GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software 1 GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software BlackCat Ransomware Actors & Affiliates (33159d02-a1ce-49ec-a381-60b069db66f7) Tidal Groups 1