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. After encrypting the file .ANNABELLE extension is added. This ransomware was found during the second half of February 2018. For Virustotal report click here. The note with the demand for redemption is the lock screen: