I took the bait. I renamed it to .mp4 , held my breath, and double-clicked.

I did not delete the file.

Files with the fg- prefix originate from the P2P (peer-to-peer) scene. While the files themselves are usually compressed data archives, the sites hosting them are often blocked in various countries due to copyright issues.

It was, by every measurable standard, .

"fg-optional-useless-videos.bin" is a component typically found in FitGirl Repacks of large video games, most notably Halo: The Master Chief Collection

I spent 45 minutes trying to resurrect this file. Forty-five minutes I will never get back.