[7][dubious – discuss] The company was established in 2010 as a merger of Kingsoft Security (where Chen served as General Manager) and Conew Image (which was founded by Sheng Fu).

[15][16] In March 2020, Cheetah Mobile was banned from Google Play due to their scheme of ad fraud, resulting in all of their games being removed as part of a 600 app deletion.

The SEC found that Sheng Fu, CEO, and Ming Xu, then-President and CTO of Cheetah Mobile, established a trading plan after learning of a significant drop in advertising revenues from their largest partner.

[18] It was reported in 2014 that ads promoting Clean Master manipulate Android users with deceptive tactics when browsing websites within the app's advertising framework.

In April 2014, Ferenc László Nagy from Sophos Labs captured some pop-up ads that led to Clean Master, warning the device had been infected with a virus.