Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 15:25:16 UTC Home > List all groups > List all tools > List all groups using tool GreezeBackdoor Tool: GreezeBackdoor Names GreezeBackdoor Category Malware Type Backdoor Description No description available yet. Information Last change to this tool card: 20 April 2020 Download this tool card in JSON format All groups using tool GreezeBackdoor Changed Name Country Observed APT groups DarkHotel 2007-2023 Reaper, APT 37, Ricochet Chollima, ScarCruft 2012-Mar 2025 2 groups listed (2 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=b9feebcb-c81d-4be0-a9d4-26fedc4a735e https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=b9feebcb-c81d-4be0-a9d4-26fedc4a735e Page 1 of 1