This is the trailer and original short film Welcome to Willits.
It was written by Tim Ryan, directed by Trevor Ryan, and stars Bill Sage, Sabina Gadecki, Anastasia Baranova, and an appearance from Dolph Lundgren. There is no official US release date at this time, while there is a schedule UK DVD release date of May 15, 2017. Check out the synopsis, trailer, and short film below.
"Deep in the Northern California woods, in the heart of the notorious Emerald Triangle, lies a remote cabin. The residents struggle to fight off the repeated attacks and abductions by mysterious creatures that have plagued them for years. When a local pot farmer is caught up with a wayward group of campers the situation quickly escalates into total carnage."