Michael Gillespie is a ransomware researcher who analyzes ransomware so that he can create free decryptors for ransomware victims. He is the author of the following free decryptors: STOPDecrypter, AuroraDecrypter, FilesLockerDecrypter, InsaneCrypt (desuCrypt) Decrypter, GIBON Ransomware Decryptor, StrikedDecrypter, BitKangarooDecrypter, etc.