Trojaner-Board - Virenbefall, HILFE!!

Hallo, kann mir bitte jemand sagen, was ich machen soll?
Ich bin leider total unwissend...also bitte einfache erklärung, danke!

Logfile of HijackThis v1.99.1
Scan saved at 16:30:33, on 23.05.2007
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programme\AntiVir PersonalEdition Classic\sched.exe
C:\Programme\AntiVir PersonalEdition Classic\avguard.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Programme\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe
C:\Programme\T-Com\Sinus 154 data II\PRISMSVR.EXE
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb05.exe
C:\Programme\Java\jre1.5.0_05\bin\jusched.exe
C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe
C:\Programme\MUSICMATCH\MUSICMATCH Jukebox\mmtask.exe
C:\Programme\D-Tools\daemon.exe
C:\Programme\Java\jre1.5.0_05\bin\jucheck.exe
C:\Programme\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programme\Google\Google Desktop Search\GoogleDesktop.exe
C:\Programme\Google\Google Talk\googletalk.exe
C:\WINDOWS\system32\WgaTray.exe
C:\Programme\iPod\bin\iPodService.exe
C:\Programme\T-Com\Sinus 154 data II\TS154USB.exe
C:\Programme\Sphairon\Sphairon USB Wireless LAN Card\WLanUtility.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programme\Google\Google Desktop Search\GoogleDesktopIndex.exe
C:\Programme\Google\Google Desktop Search\GoogleDesktopCrawl.exe
C:\Programme\Google\Google Desktop Search\GoogleDesktopOE.exe
C:\Programme\Azureus\Azureus.exe
C:\WINDOWS\System32\svchost.exe
C:\Programme\Spybot - Search & Destroy\TeaTimer.exe
C:\Programme\Spybot - Search & Destroy\SpybotSD.exe
C:\Programme\Internet Explorer\iexplore.exe
C:\Programme\WinRAR\WinRAR.exe
C:\DOKUME~1\schnipi\LOKALE~1\Temp\Rar$EX00.578\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.de/
R3 - URLSearchHook: (no name) - _{CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O4 - HKLM\..\Run: [ATIPTA] C:\Programme\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [UpdateManager] "C:\Programme\Gemeinsame Dateien\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [TkBellExe] "C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [ICQ Lite] C:\Programme\ICQLite\ICQLite.exe -minimize
O4 - HKLM\..\Run: [PRISMSVR.EXE] "C:\Programme\T-Com\Sinus 154 data II\PRISMSVR.EXE" /APPLY
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb05.exe
O4 - HKLM\..\Run: [BearShare] "C:\Programme\BearShare\BearShare.exe" /pause
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programme\Java\jre1.5.0_05\bin\jusched.exe
O4 - HKLM\..\Run: [avgnt] "C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [mmtask] "C:\Programme\MUSICMATCH\MUSICMATCH Jukebox\mmtask.exe"
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Programme\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [iTunesHelper] "C:\Programme\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programme\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\RunOnce: [SpybotSnD] "C:\Programme\Spybot - Search & Destroy\SpybotSD.exe" /autocheck
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programme\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Programme\Yahoo!\Messenger\ypager.exe -quiet
O4 - HKCU\..\Run: [Google Desktop Search] "C:\Programme\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKCU\..\Run: [googletalk] "C:\Programme\Google\Google Talk\googletalk.exe" /autostart
O4 - HKCU\..\Run: [EA Core] "C:\Programme\Electronic Arts\EA Link\Core.exe" -silent
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Programme\Spybot - Search & Destroy\TeaTimer.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Programme\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programme\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: T-Com WLAN Manager.lnk = C:\Programme\T-Com\Sinus 154 data II\TS154USB.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra 'Tools' menuitem: Sun Java Konsole - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programme\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programme\Messenger\msmsgs.exe
O16 - DPF: {58172624-85DD-4482-9E64-02ADCA637E96} - http://www.shizmoo.com/activex/web665.cab
O16 - DPF: {8FA9D107-547B-4DBC-9D88-FABD891EDB0A} - http://playroom.icq.com/odyssey_web11.cab
O16 - DPF: {8FCDF9D9-A28B-480F-8C3D-581F119A8AB8} - http://static.zangocash.com/cab/Zango/ie/bridge-c356.cab
O16 - DPF: {91433D86-9F27-402C-B5E3-DEBDD122C339} - http://www.netvenda.com/sites/games-intl/de/games4.cab
O18 - Filter: text/html - {7BBE2861-9230-4C78-B828-8D0BF9E94F53} - C:\Dokumente und Einstellungen\schnipi\Lokale Einstellungen\Anwendungsdaten\microsoft\internet explorer\V0.39.dat
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
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: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programme\Gemeinsame Dateien\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPod-Dienst (iPod Service) - Apple Inc. - C:\Programme\iPod\bin\iPodService.exe