An M3U file is a text-based playlist that contains links to video streams (live TV, VOD, series). It store video files—only directions to where they are hosted.
M3U files cannot contain viruses themselves, but they can point to malicious scripts. In 2024, hackers embed redirects in playlists that try to steal your IP address or push fake "codec updates" that are actually ransomware. iptv m3u playlist 2024 2021