While the string looks like a specific file name for a digital release of the 2021 French film
▀▄ RELEASE: Clèves.2021.French.1080p.WEB.x264-FwMKV └─ EXCLUSIVE
This is likely the "tag" or signature of the release group (e.g., "FW" or "FRENCH-WORLD") that encoded and uploaded the file.
Imagine you're a film archivist with a passion for French cinema. One day, while cataloging new acquisitions, you come across this file. Your curiosity piqued, you decide to investigate further.