Likely stands for "Malay Subbed" or a specific release group format often associated with regional subtitles. Alien Convergence (2017): The title and year of the movie.
Refers to the source or "uploader" tag from the 1337x torrent community. 1337xHD.Shop-Alien Convergence (2017) MLSBD.Sho...
The specific string you provided contains common metadata used in digital file sharing: Likely stands for "Malay Subbed" or a specific