給您兩個方式
不妨試試其中一種
http://forums.anvisoft.com/viewtopic-45-6509-0.html

http://malwaretips.com/blogs/greygray-virus-removal/

STEP 1: Uninstall GreyGray 3.0.0 program from your computer
STEP 2: Remove GreyGray adware from Internet Explorer, Firefox and Google Chrome with AdwCleaner
STEP 3: Remove GreyGray pop-up ads with Junkware Removal Tool
STEP 4: Remove GreyGray virus with Malwarebytes Anti-Malware Free
STEP 5: Double-check for the GreyGray infection with HitmanPro