: This seems to be a watermark or identifier for the torrent site or network from which the file was obtained. It might imply that the file was shared through a platform named Torrent Galaxy.
: Facing total loneliness, Ish embarks on a journey across a silent America to hunt for other survivors. Technical Specifications of the File La Tierra.Permanece.T01E01.WEB.x264-TORRENTGALAXY