R3 - URLSearchHook: 上网助手 - {1B0E7716-898E-48cc-9690-4E338E8DE1D3} - (no file)
O2 - BHO: 上网助手 - {1B0E7716-898E-48cc-9690-4E338E8DE1D3} - (no file)
O2 - BHO: NaviHelperObj Class - {3E422F49-1566-40D3-B43D-077EF739AC32} - C:\WINDOWS\SYSTEM\NAVIHELPER.DLL (file missing)
O2 - BHO: CNNIC_IDN - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\CDN\CDNIEHLP.DLL
O3 - Toolbar: 上网助手 - {1B0E7716-898E-48cc-9690-4E338E8DE1D3} - (no file)
O4 - HKLM\..\Run: [LexStart] Lexstart.exe
O4 - HKLM\..\Run: [CdnCtr] C:\Program Files\CNNIC\Cdn\cdnup.exe
O9 - Extra button: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file)
O9 - Extra 'Tools' menuitem: 中文上网 - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\CDN\CDNIEHLP.DLL
O10 - Unknown file in Winsock LSP: c:\windows\system\cdnns.dll
O11 - Options group: [CDNCLIENT] 中文上网
修复
没有楼主没有安装杀软.很危险的!