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 BlackCat Ransomware Actors & Affiliates (33159d02-a1ce-49ec-a381-60b069db66f7) Tidal Groups GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software 1 Play (60f686d0-ae3d-5662-af32-119217dee2a7) Tidal Groups GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software 1 BlackSuit Ransomware Actors (1d751794-ce94-4936-bf45-4ab86d0e3b6e) Tidal Groups GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software 1 Play Ransomware Actors (Deprecated) (6eb50f82-86cc-4eff-b1d1-66e1c6fd74f3) Tidal Groups GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software 1 LockBit Ransomware Actors & Affiliates (d0f3353c-fbdd-4bd5-8793-a42e1f319b59) Tidal Groups GMER (83713f85-8b2f-4733-9fea-e6a1494d0bbb) Tidal Software 1