: Many digital video recorders (DVRs) and security cameras use automatically generated alphanumeric strings (like "AJB" followed by a serial number) to name exported video clips.
: It could be a default filename generated by a specific smartphone, camera, or software application during a backup or export process. Ajb05045 mp4
Could you provide more on where you found this file name or any details about its content to help narrow down the report? : Many digital video recorders (DVRs) and security