Virus (Supernoobs)

The Space Virus is an extraterrestrial microscopic organism that was created and developed by a mysterious source to infect the entire galaxy that mutates its hosts, turning them into monstrous beasts.

Biology
The virus is a small entity that is send straight to numerous planets and infect who or whatever it comes into contact with and once infected, the victim instantly changes becoming corrupted and only cure is for the virus itself to be remove for its own host and destroyed.