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Despite the popularity of its Clean Master Android App, 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.[25] In July 2014, Cheetah Mobile encouraged users to uninstall Google Chrome and replace it with Cheetah Mobile's own browser during Clean Master's "clean-up" and "optimization" process. This rogue practice allowed Cheetah Mobile to gain unfair position in the marketplace and led to a Google crackdown

No, there is no such extension. Current Maxthon's API is very limited ... unfortunately . Perhaps it will be possible in Mx5.