Virus (Supernoobs)

This unnamed virus is an amorphous symbiotic organism that were been created by mysterious beings to infect the entire galaxy as it mutates whatever host it comes to possessing, turning them into monstrous beasts.

Biology
The virus mostly come in the form of a small seed with tiny spikes that gets send straight to numerous planets including Earth and infect whoever or whatever it comes into contact with. Once infected, the victim instantly changes, becoming corrupted and the only cure is for the virus itself to be remove for its own host and destroyed which immediately reverses the mutation.