rarstar (Malware Family) By Fraunhofer FKIE Archived: 2026-04-05 14:46:18 UTC This ransomware encrypts all user’s data on the PC (photos, documents, excel tables, music, videos, etc), adds its specific extension to every file, and creates the HOW_TO_DECYPHER_FILES.txt files in every folder which contains encrypted files. [TLP:WHITE] win_rarstar_auto (20251219 | Detects win.rarstar.) Source: https://malpedia.caad.fkie.fraunhofer.de/details/win.rarstar https://malpedia.caad.fkie.fraunhofer.de/details/win.rarstar Page 1 of 1