i have the same problem, i have cleared all the cache and data for chrome browser, installed proteccion malwarebytes and no malware found but I still keep getting random web pages opening to stupid game sites like draingamer.com, gamepupu.com, torygame.com etc/ I don't even play games! i haven't added any new apps (except this malware scanner) and I have deleted a lot of old apps. HELP ME PLEASE!~