How to remove Ransomware. File recovery. ransomware is a new virus, that is actively spreading around the internet. In order to keep data safe, we strongly recommend not to open suspicious attachments from spam emails. A proper anti-virus application may help too, as consequences of ransomware viruses are quite disastrous. If somehow managed to sneak into victim’s system, it will immediately run encryption procedure with AES encryption algorithm to encode victim’s sensitive and vulnerable files (documents of any type, images, videos). ransomware will add .[].gamma! extension to the name of the encoded files. This tutorial will help you to remove ransomware and decrypt .[].gamma! files.