Killerkuscheltiere.

A family spends time together in their weekend home. They learn from a child in the neighborhood that some time ago people were killed here by radioactive boars. The local hunters who hunted the mutated beasts were also contaminated and have mutated into zombies. They haven't appeared for a long time, but the next morning all of a sudden the cuddly creatures are alive and go about their bloodthirsty business...