Here is a collection of ransomware decryption tools.
Locky ransomware decryption tools
https://decrypter.emsisoft.com/download/autolocky
HydraCrypt and UmbreCrypt Ransomware
Petya ransomware decryption tool
https://github.com/leo-stone/hack-petya
Cyberwarzone ransomware decryption toolkit
Decryption tool for Nemucod ransomware family
Decryption tool for DMALocker2 ransomware family
Decryption tool for HydraCrypt ransomware family
Decryption tool for DMALocker ransomware family
Decryption tool for CrypBoss ransomware family
Decryption tool for Gomasom ransomware family
Decryption tool for LeChiffre ransomware family
Decryption tool for KeyBTC ransomware family
Decryption tool for Radamant ransomware family
Decryption tool for CryptInfinite ransomware family
Decryption tool for PClock ransomware family
Decryption tool for CryptoDefense ransomware family
Decryption tool for Harasom ransomware family
Decryption tool for the Petya ransomware family
Decryption tool for the TeslaCrypt ransomware family
Decryption tool for the Rector ransomware family
Decryption tool for the Rakhni ransomware family
Decryption tool for the Rannoh ransomware family
Decryption tool for the Scatter ransomware family
Decryption tool for the Xorist ransomware family
Decryption tool for the Scraper ransomware family
Decryption tool for the CoinVault ransomware family
Decryption tool for the JigSaw ransomware family
http://cyberwarzone.com/wp-content/uploads/2016/05/Cyberwarzone-Ransomware-Decryption-toolkit.rar
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