运行Hijackthis，把下面的选中打上钩，修复
O2 - BHO: wmpdrm - {0E674588-66B7-4E19-9D0E-2053B800F69F} - (no file)
O2 - BHO: AdPopup - {11F09AFD-75AD-4E51-AB43-E09E9351CE16} - (no file)
O2 - BHO: 5940bar BHO - {15953528-6C01-481A-8DB4-01888FB85B7D} - (no file)
O2 - BHO: MyIEHelper Class - {16B770A0-0E87-4278-B748-2460D64A8386} - C:\Documents and Settings\All Users\Application Data\Microsoft\UserData\IEHelper_5048.dll
O2 - BHO: SafeMe Internet Explorer Helper - {3AE06CEE-58A6-4F5F-AF89-6C5350842F16} - (no file)
O2 - BHO: (no name) - {46F194EB-B7DB-4B7A-BD42-5FF39FD17664} - (no file)
O2 - BHO: (no name) - {4FF076DA-65DB-4F71-A5D0-D022E2F64E97} - (no file)
O2 - BHO: (no name) - {5C3853CF-C7E0-4946-B3FA-1ABDB6F48108} - (no file)
O2 - BHO: Vision - {6671A431-5C3D-463d-A7CF-5587F9B7E191} - (no file)
O2 - BHO: stdup - {6A512BF7-EC78-4e8d-9841-6C02E8FA9838} - (no file)
O2 - BHO: (no name) - {70AFF2CB-9DA2-499C-8D15-900729FCE83D} - (no file)
O2 - BHO: System Helper - {B88DBC3F-41FB-40AE-AFB0-4220E842B710} - (no file)
O2 - BHO: Webacc - {CAC068F3-A608-406B-8581-458788A67694} - (no file)
O2 - BHO: (no name) - {CE7C3CF0-98A8-474D-B2B5-1ED7E2E3B004} - (no file)
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - (no file)
O2 - BHO: (no name) - {D1BB7CF4-4463-4e91-88D7-ECC3CE0A13B7} - (no file)
O2 - BHO: Subconscious Intruder - {EBBC6E6D-7B65-46be-B509-86CED2D17876} - (no file)
O2 - BHO: Letscool System Helper - {F0C15012-7DBD-4068-95A2-0A82DB03AC35} - (no file)
O2 - BHO: (no name) - {F2E37336-BFDB-409B-8D0E-6F013C438B20} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll (file missing)
O3 - Toolbar: (no name) - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0}? - (no file)
O4 - Global Startup: 186915.lnk = C:\WINDOWS\system32\186915.exe
O4 - Global Startup: 203692.lnk = C:\WINDOWS\system32\203692.exe
O4 - HKLM\..\Run: [Update] C:\Program Files\Common Files\UPDATE2\Update.exe
显示隐藏文件
删除
C:\Program Files\Common Files\UPDATE2\整个目录
C:\WINDOWS\system32\186915.exe
C:\WINDOWS\system32\203692.exe
C:\Documents and Settings\All Users\Application Data\Microsoft\UserData\IEHelper_5048.dll
