: Many digital video recorders (DVRs) and security systems generate automated filenames using a location code (ARSO) followed by a timestamp or serial number.
Based on the structure of the name, it could relate to a few different things: ARSO-22164.mp4
: "ARSO" is also a brand name for various consumer goods found on retail sites like Ozon , and this could be an unlisted product demonstration video. : Many digital video recorders (DVRs) and security