Tool : Avaddon Decryptor 
Official : Bitdefender and Emsisoft
Use type : Free 

Your files are encrypted with ransomware avaddon ? Here are 2 tools you can use to decrypt your files. One from bitdefender and another from emsisoft.

Click here to download (Emsisoft / Bitdefender)
(Link sends you to official site)

More other decryptor's lists here