Files found with hash-based names are often distributed through unofficial channels.
Because the filename is just a hash, the name itself doesn't tell you what the video is. You can try these steps to uncover its identity: 3bd192c05d51550beefed0c6c88edeb6.mkv
Some backup software or encrypted containers name files this way to obscure the content from anyone browsing the folder. Files found with hash-based names are often distributed
Many automated downloaders rename files to their hash to avoid "Duplicate" errors in database management. 3bd192c05d51550beefed0c6c88edeb6.mkv
In cybersecurity or computer forensics, files are almost always renamed to their hash value to ensure "Chain of Custody" and prove the file hasn't been tampered with.