It belongs to the same genre as Smile.jpg or The Ring , where the horror stems from the idea of "viral" media that affects the physical world.
Many "recreations" of the video exist on YouTube and TikTok, created by horror fans to simulate the experience described in the stories. 24644mp4
A rhythmic, metallic scratching sound grows louder, eventually revealed to be the sound of someone carving numbers into a wooden floor. It belongs to the same genre as Smile