Beijing Cheetah Mobile Technology Co., Ltd. (formerly Kingsoft Network), Kingsoft Antivirus, Top 10 Antivirus Software, started in 1999, cloud security intelligent anti-virus software, the world's leading mobile tool developer

Kingsoft Antivirus is a Chinese anti-virus software, developed and published by Kingsoft from the initial version released in 1999 to 2010, and then managed by the new company Kingsoft Network after the merger of Kingsoft Security Division and Keniu in November 2010. Kingsoft Poison Tyrant integrates heuristic search, code analysis, virtual machine virus detection and other technologies. The industry's proven mature and reliable anti-virus technology, as well as rich experience, make it reach the world's advanced level in many aspects such as virus types, virus detection and killing speed, unknown virus prevention and control, etc., at the same time, Kingsoft Antivirus has a number of advanced functions such as real-time monitoring of virus firewall, virus detection of compressed files, and detection and killing of email viruses. Keeping up with the development of the world's anti-virus technology, we provide perfect anti-virus solutions for individual users and enterprises and institutions. From 15:30 on November 10, 2010, the anti-virus function and upgrade service of Kingsoft Antivirus (personal Chinese simplified Chinese version) will be free forever.

On March 7, 2014, Kingsoft released a new version with the addition of a customized XP shield, which continued to protect XP users after Microsoft stopped supporting Windows XP on April 8, 2014.