: A legitimate video file will only have one extension (e.g., .mp4 or .mkv ). The presence of both suggests the file may actually be an .exe (executable) or .scr (script) with the final extension hidden by your operating system.
: Enable "Show file extensions" in your File Explorer (Windows) or Finder (Mac) settings to see if there is a hidden third extension like .exe . morning and fuck.mkv.mp4
: You can upload the file (or its URL) to VirusTotal to have it scanned by over 70 different antivirus engines simultaneously. : A legitimate video file will only have one extension (e