Many older digital cameras or specific dashcam brands use a repetitive prefix (like "MM" for Movie/Media) followed by a chronological sequence ("AAA1234").
If you are documenting this for a technical report, you would describe it as a "sequentially generated media container (MP4)" and list its metadata (file size, duration, and resolution) to identify its origin. 3. ARG or "Creepypasta" Style MMMAAA1234.mp4
These videos are usually shared within the fandom to highlight a specific emotional route or a funny interaction between the characters. 2. Automated File Naming (Technical) Many older digital cameras or specific dashcam brands
Generic, alphanumeric filenames are a staple of or "Unfavorable Design" horror tropes (like the Backrooms or Local 58 ). MMMAAA1234.mp4