Xunlei is a download manager that supports HTTP, FTP, eDonkey, and BitTorrent protocols. Through Xunlei, users can access a large portion of the files available on the Internet. Features in Xunlei includes a built-in browser, offline downloading, hi-speed downloading, email service and more. As adware, Xunlei products feature banner advertisements, which can be disabled if logged in as a user.

xl_stat_client.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by ShenZhen Thunder Networking Technologies Ltd. which was issued by the VeriSign certificate authority (CA).