Willow.s01e04.720p.web.h264-kogi.mkv.mp4 -

It is almost certainly an executable (.exe) or a script disguised as a video. Delete it immediately if you have already downloaded it.

Genuine video files do not have double extensions like .mkv.mp4 . This naming convention is a common trick used to hide the true file type from users who have "Hide extensions for known file types" enabled in Windows. Why this is suspicious: Willow.S01E04.720p.WEB.h264-KOGi.mkv.mp4

using a reputable tool like Malwarebytes or Windows Defender if you attempted to open the file. It is almost certainly an executable (

: Real media releases from scene groups (like KOGi) use a specific format: Title.SxxExx.Quality.Source.Codec-Group.mkv . Adding a second .mp4 extension at the end is a red flag. Willow.S01E04.720p.WEB.h264-KOGi.mkv.mp4