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Kyber

Kyber is a recently identified ransomware group using sophisticated hybrid encryption (AES-256-CTR with X25519 and Kyber1024), operating Tor-based communication channels and employing double-extortion with free partial decryption offered to build negotiation trust, discovered through underground forum monitoring in 2025.


Known Locations (1)
Favicon Title Type Available Last Visit Server Info FQDN
favicon CAPTCHA Verification Yes 2026-05-13T22:39:44 gunicorn kyblogtz6k3jtxnjjvluee5ec4g3zcnvyvbgsnq5thumphmqidkt7xid.onion

Ransom Notes (1)

YARA Rules (1)