2021: Hunter.killer.2018.1080p.bluray.x264-yts.rar

This is not a single video file. It is a created by the release group YTS. Let’s dissect each component:

I understand you're looking for an article based on a specific file name: Hunter.Killer.2018.1080p.BluRay.x264-YTS.rar . However, I should clarify that this filename directly points to a of a pirated movie release from the YTS (Yify) group, which is illegal to distribute or download in most jurisdictions.