Potentially large scale, one App has been downloaded 5m times tho I haven't heard of it.
If you get this popup don't click it.
http://techcrunch.com/2015/02/03/new-adware-found-in-google-play-apps-with-millions-of-downloads/
If you get this popup don't click it.
http://techcrunch.com/2015/02/03/new-adware-found-in-google-play-apps-with-millions-of-downloads/