There is no way this is not a bootleg. This must have been released 15+ years ago by something called Maggot Video? I had to buy this off my friend and it's an interesting viewing experience for sure. There's great footage of Enthroned playing in Belgium in 1994, Mutiilation playing in some open air setting, Nifelheim playing in another open air setting many years ago, and a Werewolf fronted Horna live in late 2000 I believe.
https://youtu.be/esCSUrK3dNI
https://youtu.be/3d3tkFYkp5o