http://chrome.blogspot.com/2015/05/new-research-ad-injection-economy.html http://chrome.blogspot.com/2015/05/new-research-ad-injection... describes why such a t

http://chrome.blogspot.com/2015/05/new-research-ad-injection-economy.html http://chrome.blogspot.com/2015/05/new-research-ad-injection... describes why such a tool must exist. AFAIUI, the cleanup tool addresses with the many Windows executables that can compromise the core Chrome experience and user profile settings in order to inject bothersome advertisements. A paper on this Ad Injection ecosystem was published last year: http://research.google.com/pubs/pub43346.html http://research.google.com/pubs/pub43346.html