The Dorm That Dripped Blood

The Dorm That Dripped Blood is a 1982 American slasher film directed by Stephen Carpenter and Jeffrey Obrow, written by Carpenter, Obrow, and Stacey Giachino, and starring Laurie Lapinski, Stephen Sachs, David Snow, Pamela Holland, and Daphne Zuniga in her film debut. It follows a group of college students who stay on campus over the Christmas holiday to clean out a condemned dormitory, where an unknown assailant begins stalking and murdering them.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.