花狸追大尺度:HijackThis的扫描日志.请高手帮忙看看,哪些是垃圾

R3 - URLSearchHook: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar.dll
R3 - URLSearchHook: (no name) - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
R3 - URLSearchHook: (no name) - <default> - (no file)
R3 - URLSearchHook: (no name) - {68678205-CBE1-45F6-8454-F0508C7860C9} - C:\WINDOWS\system32\Ndppgg.dll (file missing)
R3 - URLSearchHook: (no name) - {159089A8-2617-40FD-80D8-26E8C66CD947} - C:\WINDOWS\system32\Gdfcl.dll (file missing)
O2 - BHO: ThunderIEHelper - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v14.dll
O2 - BHO: (no name) - {159089A8-2617-40FD-80D8-26E8C66CD947} - C:\WINDOWS\system32\Gdfcl.dll (file missing)
O2 - BHO: Yahoo!Photo - {33BBE430-0E42-4f12-B075-8D21ACB10DCB} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yphtb.dll
O2 - BHO: AntiFish Class - {38928D50-8A48-44C2-945F-D2F23F771410} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yangling.dll
O2 - BHO: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar.dll
O2 - BHO: FiltrateWebObj Class - {42AFACEE-2A77-41EB-9EE2-D9F8AF827F90} - F:\KV2006\KVBHO.dll
O2 - BHO: VnetCookie Class - {4E83D567-4697-4F7B-B1F0-A513B01DB89A} - c:\PROGRA~1\chinanet\VNETTR~1.DLL
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - D:\QQ\QQIEHelper.dll
O2 - BHO: DragSearch BHO - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\YDRAGS~1.DLL
O2 - BHO: (no name) - {68678205-CBE1-45F6-8454-F0508C7860C9} - C:\WINDOWS\system32\Ndppgg.dll (file missing)
O2 - BHO: BrowseHelper Class - {80BF4637-D65B-43F3-BB60-C5DD3D5FB7B9} - F:\KV2006\KvShell.dll
O2 - BHO: ADefaultSearch Class - {944864A5-3916-46E2-96A9-A2E84F3F1208} - (no file)
O3 - IE工具栏增项: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar.dll
O3 - IE工具栏增项: 江民杀毒工具栏 - {B5A34A93-D538-43A7-8371-864CB6148D12} - F:\KV2006\KvShell.dll
O4 - 启动项HKLM\\Run: [IMJPMIG8.1] ; "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - 启动项HKLM\\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - 启动项HKLM\\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - 启动项HKLM\\Run: [nvsvc.exe] C:\WINDOWS\system\nvsvc.exe
O4 - 启动项HKLM\\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - 启动项HKLM\\Run: [YLive.exe] C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe
O4 - 启动项HKLM\\Run: [yassistse] "C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe"
O4 - 启动项HKLM\\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k