Shade

Shade is a ransomware family referenced in the provided content as a historical example of a ransomware operation that released master decryption keys upon shutdown. The content does not provide technical details on Shade’s malware behavior, infection vector, platform-specific implementation, associated threat actor, targeting, or indicators of compromise beyond naming it alongside Crysis and TeslaCrypt as ransomware families that released decryption keys. No additional high-confidence operational or forensic details are available in the provided material.