Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 19:40:54 UTC Home > List all groups > List all tools > List all groups using tool Underground Tool: Underground Names Underground Category Malware Type Ransomware Description No description available yet. Last change to this tool card: 05 September 2023 Download this tool card in JSON format All groups using tool Underground Changed Name Country Observed APT groups   Tropical Scorpius, RomCom 2019-Oct 2024   1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=a0d03290-6a9d-45af-90c0-fb91783ebed3 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=a0d03290-6a9d-45af-90c0-fb91783ebed3 Page 1 of 1