The exact source of this particular clip is not confirmed, but door creak sounds have long been a staple of horror audio libraries, cartoons, games, and short-form edits. Online, this kind of effect is widely used to signal suspense, an ominous entrance, or an old, poorly maintained room. It stays popular because the sound is instantly recognizable and communicates mood in less than three seconds. It is often paired with other classic effects like a door knocking sound effect for scene setup.