: Open the file in VLC Media Player or MPC-HC and check the "Tools" > "Media Information" (Ctrl+I). Sometimes the metadata tags (Title, Comments) contain the real name.

: Often, specialized indexers (like those for Usenet or P2P) list these hashes alongside the actual movie or TV show title.

: To avoid automated takedowns, uploaders name files with hashes.

: Multiple SRT or ASS subtitle tracks that can be toggled on/off.

: Automated scripts that use MD5 hashes to prevent duplicate files in a large library.

The string 7d5b17e185069e5c77b4c945e4fa29b5 is a 32-character hexadecimal code. To find out what the video actually is, you can use the following methods:

: If you want to see exactly what is "inside" this specific file (codecs, tracks, or attachments), use the "Header Editor" in this suite.