I'm pretty much out of options here and I just found you guys. I heard you've helped people find movies in the past and are very knowledgeable about horror movies. I'm coming to you on the end of my rope.
I believe this was from the late ‘80s. In this movie there's a guy crawling up stairs, but they're like gooey, like marshmallow or something and he's sticking to them. Then his girlfriend axes him in the back thinking he's one of the monsters or whatever that's trying to kill them and their friends. He may have been wearing a leather jacket.
Possibly in the movie but not sure: There may have been a farmhouse, some kind of statue remembering people that died, and possibly a graveyard. I believe this was from the late ‘80s. Also that scene I remember may have been taking place in a basement.
UPDATE: NAME THAT TRAUMA SOLVED! Special thanks to reader Mincemeat for coming forward with GHOSTHOUSE!