here is the same problem as this user http://www.bleepingcomputer.com/forums/t/623128/weird-chinese-programes/
and here http://www.bleepingcomputer.com/forums/t/624586/infected-with-ludashi-and-google-keeps-redirecting/
http://lavasoft.com/mylavasoft/malware-descriptions/blog/GenVariantMikey385380169e46229