运行Hijackthis，把下面的选中打上钩，修复
R3 - URLSearchHook: (no name) - {D6D25BFE-4536-414D-A8D3-56E68205D652} - C:\WINDOWS\system32\Eytn.dll (file missing)
R3 - URLSearchHook: (no name) - {09D84F7A-0807-490F-9B3E-C41C41075F7E} - C:\WINDOWS\system32\Aikeq.dll (file missing)
R3 - URLSearchHook: (no name) - {C881036B-D4C5-468C-B3BE-8B4069BA9BE5} - C:\WINDOWS\system32\Pkxyl.dll (file missing)
O2 - BHO: (no name) - {09D84F7A-0807-490F-9B3E-C41C41075F7E} - C:\WINDOWS\system32\Aikeq.dll (file missing)
O2 - BHO: (no name) - {C881036B-D4C5-468C-B3BE-8B4069BA9BE5} - C:\WINDOWS\system32\Pkxyl.dll (file missing)
O2 - BHO: (no name) - {D6D25BFE-4536-414D-A8D3-56E68205D652} - C:\WINDOWS\system32\Eytn.dll (file missing)


推荐使用360安全卫士清理一下流氓

.360下载地址:
http://www.360safe.com/
http://www.xdowns.com/soft/8/9/2006/Soft_31554.html
使用后删除360安全卫士