ThreatLabz

This technical analysis of Trigona ransomware documents its capabilities and internals: supported command-line options (including erase/full for wiper behavior), an embedded double-AES-encrypted configuration format, use of large RSA keys and AES modes (CBC for config, OFB for file content) with a nonstandard residual block termination, per-file footers and naming changes, and the victim authentication/ransom portal and decryption tool workflow. The report highlights destructive features (partial/full overwrites and file deletion), a broad extension list, and how victims exchange scan.dat/keys.dat with the threat actors for recovery.