Internet sehr langsam, "System Tool", und andere Plagegeister, PC ist Schnecke!

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 22:31:59, on 22.02.2011
Platform: Windows 7  (WinNT 6.00.3504)
MSIE: Internet Explorer v8.00 (8.00.7600.16722)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskhost.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Programme\Avira\AntiVir Desktop\avgnt.exe
C:\Programme\Mozilla Firefox\firefox.exe
C:\Programme\Mozilla Firefox\plugin-container.exe
C:\Program Files\ICQ6\ICQ6.5\ICQ.exe
C:\Users\Julian\Downloads\HiJackThis204.exe
C:\Windows\system32\SearchFilterHost.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = hxxp://start.icq.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = hxxp://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = hxxp://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = hxxp://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = hxxp://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = 
R3 - URLSearchHook: (no name) -  - (no file)
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programme\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [RivaTunerStartupDaemon] "C:\Programme\RivaTuner v2.24 MSI Master Overclocking Arena 2009 edition\RivaTunerWrapper.exe" /S
O4 - HKLM\..\Run: [avgnt] "C:\Programme\Avira\AntiVir Desktop\avgnt.exe" /min
O9 - Extra button: PokerStars - {3AD14F0C-ED16-4e43-B6D8-661B03F6A1EF} - C:\Program Files\Pokerstars\PokerStarsUpdate.exe (file missing)
O9 - Extra button: PartyPoker.com - {B7FE5D70-9AA2-40F1-9C6B-12A255F085E1} - C:\Programs\PartyGaming\PartyPoker\RunApp.exe (file missing)
O9 - Extra 'Tools' menuitem: PartyPoker.com - {B7FE5D70-9AA2-40F1-9C6B-12A255F085E1} - C:\Programs\PartyGaming\PartyPoker\RunApp.exe (file missing)
O9 - Extra button: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Program Files\ICQ6\ICQ6.5\ICQ.exe
O9 - Extra 'Tools' menuitem: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Program Files\ICQ6\ICQ6.5\ICQ.exe
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O16 - DPF: {140E4DF8-9E14-4A34-9577-C77561ED7883} (SysInfo Class) - hxxp://content.systemrequirementslab.com.s3.amazonaws.com/global/bin/srldetect_cyri_4.1.71.0.cab
O16 - DPF: {40F576AD-8680-4F9E-9490-99D069CD665F} (System Requirements Lab Class) - hxxp://srtest-cdn.systemrequirementslab.com.s3.amazonaws.com/bin/sysreqlabdetect.cab
O16 - DPF: {B8A48F42-30E1-48f8-AE87-7BD7C75DB8AA} (System Requirements Lab) - hxxp://www.systemrequirementslab.com/srl_bin/sysreqlab_test.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - hxxp://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: Avira AntiVir Planer (AntiVirSchedulerService) - Avira GmbH - C:\Programme\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Programme\Avira\AntiVir Desktop\avguard.exe
O23 - Service: FsUsbExService - Teruten - C:\Windows\system32\FsUsbExService.Exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\Windows\system32\nvvsvc.exe
O23 - Service: PnkBstrA - Unknown owner - C:\Windows\system32\PnkBstrA.exe
O23 - Service: ServiceLayer - Nokia - C:\Programme\PC Connectivity Solution\ServiceLayer.exe
O23 - Service: NVIDIA Stereoscopic 3D Driver Service (Stereo Service) - NVIDIA Corporation - C:\Programme\NVIDIA Corporation\3D Vision\nvSCPAPISvr.exe

--
End of file - 4362 bytes