Trojaner-Board - iexplore.exe

Folgendes Problem:
In meinem Taskmanager gibts es 2mal die iexplore.exe, die immer mal wieder über den iexplorer.exe werbung etc öffnet.
Nun meine frage: Wie bekomme ich es weg und um was handelt es sich.

Logfile of HijackThis v1.99.1
Scan saved at 18:04:55, on 10.09.2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Programme\AntiVir PersonalEdition Classic\avguard.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\Programme\SHARKOON Technologies GmbH\SHARKOON STATION\Majestic.exe
C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe
C:\Programme\SpeedFan\speedfan.exe
C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe
C:\Programme\DAEMON Tools\daemon.exe
C:\Programme\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\system32\RunDLL32.exe
C:\WINDOWS\system32\ctfmon.exe
C:\PROGRA~1\FREEME~1\fmempro.exe
C:\Programme\Logitech\SetPoint\SetPoint.exe
c:\progra~1\intern~1\iexplore.exe
C:\Programme\Gemeinsame Dateien\Logitech\KHAL\KHALMNPR.EXE
C:\Programme\Internet Explorer\iexplore.exe
C:\Programme\ICQLite\ICQLite.exe
C:\Dokumente und Einstellungen\nishL\Desktop\Progs\gapa.exe
C:\Program Files\VentriloMIX\Ventrilo 2.1.4.exe
C:\Programme\Valve\Steam\Steam.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Programme\Hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.de/
F2 - REG:system.ini: UserInit=userinit.exe,syscom224.exe
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {34CB68D9-6CC0-4173-6CAC-D006FD3FD911} - (no file)
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programme\Java\jre1.5.0_06\bin\ssv.dll
O4 - HKLM\..\Run: [SHARKOON STATION] C:\Programme\SHARKOON Technologies GmbH\SHARKOON STATION\Majestic.exe
O4 - HKLM\..\Run: [Logitech Hardware Abstraction Layer] KHALMNPR.EXE
O4 - HKLM\..\Run: [avgnt] "C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [speedfan] C:\\Programme\\SpeedFan\\speedfan.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [DAEMON Tools] "C:\Programme\DAEMON Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Programme\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [BurnMemoOptionFind] C:\Dokumente und Einstellungen\All Users\Anwendungsdaten\type inside burn memo\warn wma.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [FreeMem Pro] "C:\PROGRA~1\FREEME~1\fmempro.exe" autostart
O4 - HKCU\..\RunOnce: [ICQ Lite] C:\Programme\ICQLite\ICQLite.exe -trayboot
O4 - Global Startup: Adobe Reader - Schnellstart.lnk = C:\Programme\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Logitech SetPoint.lnk = C:\Programme\Logitech\SetPoint\SetPoint.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Konsole - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Programme\ICQLite\ICQLite.exe
O9 - Extra 'Tools' menuitem: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Programme\ICQLite\ICQLite.exe
O16 - DPF: {1842B0EE-B597-11D4-8997-00104BD12D94} (iCC Class) - http://www.pcpitstop.com/internet/pcpConnCheck.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O23 - Service: AntiVir PersonalEdition Classic Planer (AntiVirScheduler) - Avira GmbH - C:\Programme\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - AVIRA GmbH - C:\Programme\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: BlueSoleil Hid Service - Unknown owner - C:\Programme\IVT Corporation\BlueSoleil\BTNtService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programme\Gemeinsame Dateien\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: netconf32 - Unknown owner - C:\WINDOWS\netconf32.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: O&O Defrag - O&O Software GmbH - C:\WINDOWS\system32\oodag.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: StyleXPService - Unknown owner - C:\Programme\TGTSoft\StyleXP\StyleXPService.exe (file missing)
O23 - Service: TuneUp WinStyler Theme Service (TUWinStylerThemeSvc) - TuneUp Software GmbH - C:\Programme\TuneUp Utilities 2006\WinStylerThemeSvc.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: VNC Server Version 4 (WinVNC4) - Unknown owner - C:\Programme\RealVNC\VNC4\WinVNC4.exe" -service (file missing)