The Hermes Ransomware encrypts the files on a computer. It does not change the name of the files. This ransomware is distributes using AZORult Stealer malware.
Aurora Ransomware is like another ransomware that encrypts user files and ask money for the decryption key. It is delivered to the victim machine by AZORult RAT. After it successflly encrypt user files it ask for $150 worth of Bitcoins for decryption key.
The developer of this ransomware used the Annabelle doll from the movie franchise of the same name, an american horror film.This ransomware encrypts user data, and then requires a ransom of 0.1 BTC to bring back the files.
Saturn Ransomware encrypts various files of its victim machine and ask for $300 in Bitcoins to unlock. It give its victim one week to comply. Infected files by this virus bears its distinct .saturn extension.
If you or someone you know become a victim of WannaCry ransomeware and wondering how you can recover your files. Or may be deciding to paying the bad guys. Wait there may be a hope for you and your file may be recovered for free.