Kyber

Ransomware Group Profile

Overview

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.

Dark Web Infrastructure (3)
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mlnmlnnrdhcaddwll4zqvfd2vyqsgtgj473gjoehwna2v4sizdukheyd.onion
tp7e2ekeoqqozyq2t3oy53tzbybvg6ehtinc7kjowtpvbkssprkdmuid.onion
Activity Timeline
First Seen2026
Last Seen2026
Leak Sites3
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