[BlueStreek]

here is my hijackthis log please help thanks

Logfile of HijackThis v1.99.1
Scan saved at 12:25:58 PM, on 5/25/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16441)

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
D:\WINDOWS\system32\spoolsv.exe
D:\WINDOWS\Explorer.EXE
D:\WINDOWS\system32\ctfmon.exe
D:\Program Files\MSN Messenger\msnmsgr.exe
D:\WINDOWS\system32\nvsvc32.exe
D:\Program Files\Internet Explorer\IEXPLORE.EXE
D:\WINDOWS\system32\wuauclt.exe
C:\Downloads\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - D:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - D:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE D:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [ctfmon.exe] D:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] "D:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [RAM Medic] D:\Program Files\Iomatic\RAM Medic\RAMMedic.exe
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - D:\Program Files\Yahoo!\Common\yinsthelper.dll
O20 - Winlogon Notify: WgaLogon - D:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - D:\WINDOWS\system32\nvsvc32.exe

Please any help would be greatly appreciated