Google, Facebook, and co launch web blacklist to nail ad scammers

Johnsen outlines two examples of toolkits mongrel marketers will use including UrlSpirit that serves as a form of botnet. Nominated URLs are distributed among Internet Explorer instances running on mostly data centre boxes that operate the software. Google found some 6500 installations generating 500 million requests or 2500 ad requests per instance per day.
HitLeap is larger with 4800 installations of which 16 percent are operating in data centres.
http://www.theregister.co.uk/2015/07/22/google_co_and_trustworthy_accountability_group/