This seemed more or less like a typical zombie action movie. However, the zombies are actually later revealed to be zombie vampires later on. Unlike the regular movie zombies, their head has to be completely destroyed to kill them; a simple headshot will not work. Thus, the weapons of choice for the survivors tend to be large-caliber guns (maybe .50 cals?). Among the group of survivors in the film are regular humans and some vampires, though said vampires are not hostile towards humans, but they do burn in the sunlight (which is how the humans realize who they are). I think one of them is named Dragon or Drakon, some variation of that name. He reveals that the vampires are used to drinking cow blood and that the zombie outbreak came about when a virus called "cow rabies" (that's a direct translation of the wording the Russian dub used) mutated and created the zombie vampires.
Can anyone identify the movie?