If you must determine the contents of a file named like this (e.g., it belongs to you from an old backup), follow digital forensic best practices:
Upload the file (if under 650MB) to VirusTotal. If any security vendor flags it, delete immediately. lsdreams 02 first try movies 0712 12 fix
Threat actors frequently use seemingly random or enticing filenames to distribute: If you must determine the contents of a
"lsdreams" bears a slight resemblance to "LSDream" (a dubstep artist) or "Dreams" (a PS4 game). But no official media uses this exact string. Old optical discs or external drives sometimes contain
Old optical discs or external drives sometimes contain user-generated filenames from 2000s-era video editing software (Windows Movie Maker, VirtualDub). "First try" and "fix" are typical of amateur editors.
Examples (various years):
A user might have named their own video project using that schema and lost the file. They hope search engines or cloud backups can locate it. In that case, they should search their local drives or cloud trash, not the public web.