Trojaner-Board - Hilfe! Viren? Trojaner??

Hallo, ich habe ein Problem.. Und zwar wurde mit der Zeit mein PC immer langsamer und irgendwann hat mein Bruder gesagt, es sind Viren oder so.
Hat gemeint ich soll euch mal en Log posten oder wie das heißt. Hab echt kkeine Ahnung von dem ganzen Zeug. Ich hoffe ihr könnt mir helfen!

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13:30:21, on 20.02.2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP3 (6.00.2900.5512)
Boot mode: Normal

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\system32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\Programme\ICQ6Toolbar\ICQ Service.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Programme\CyberLink\Shared Files\RichVideo.exe
C:\WINDOWS\system32\svchost.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Programme\Search Settings\SearchSettings.exe
C:\Dokumente und Einstellungen\Feff\Anwendungsdaten\SanDisk\Sansa Updater\SansaDispatch.exe
C:\Programme\MSI\US54SE_Utility\ZDWlan.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\drwtsn32.exe
C:\WINDOWS\system32\drwtsn32.exe
C:\WINDOWS\explorer.exe
C:\Programme\Mozilla Firefox\firefox.exe
C:\Programme\ICQ6.5\ICQ.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\avcenter.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\avscan.exe
C:\Dokumente und Einstellungen\Feff\Desktop\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://google.icq.com/search/search_frame.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://google.icq.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.myspace.de/
R3 - URLSearchHook: ICQToolBar - {855F3B16-6D32-4fe6-8A56-BBB695989046} - C:\Programme\ICQ6Toolbar\ICQToolBar.dll
R3 - URLSearchHook: (no name) - - (no file)
R3 - URLSearchHook: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programme\Search Settings\kb127\SearchSettings.dll
O2 - BHO: XTTBPos00 - {055FD26D-3A88-4e15-963D-DC8493744B1D} - C:\PROGRA~1\ICQTOO~1\toolbaru.dll
O2 - BHO: Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Gemeinsame Dateien\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - C:\Program Files\Real\RealPlayer\rpbrowserrecordplugin.dll
O2 - BHO: DealioBHO Class - {6A87B991-A31F-4130-AE72-6D0C294BF082} - C:\Programme\Dealio\kb127\Dealio.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programme\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: SearchSettings Class - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - C:\Programme\Search Settings\kb127\SearchSettings.dll
O2 - BHO: (no name) - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - (no file)
O3 - Toolbar: (no name) - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - (no file)
O3 - Toolbar: ICQToolBar - {855F3B16-6D32-4fe6-8A56-BBB695989046} - C:\Programme\ICQ6Toolbar\ICQToolBar.dll
O3 - Toolbar: Dealio - {E67C74F4-A00A-4F2C-9FEC-FD9DC004A67F} - C:\Programme\Dealio\kb127\Dealio.dll
O4 - HKLM\..\Run: [EPSON Stylus DX4000 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIBEE.EXE /FU "C:\WINDOWS\TEMP\E_S81.tmp" /EF "HKLM"
O4 - HKLM\..\Run: [avgnt] "C:\Programme\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [au] C:\Programme\Dealio\DealioAU.exe
O4 - HKLM\..\Run: [SearchSettings] C:\Programme\Search Settings\SearchSettings.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKCU\..\Run: [SansaDispatch] C:\Dokumente und Einstellungen\Feff\Anwendungsdaten\SanDisk\Sansa Updater\SansaDispatch.exe
O4 - HKCU\..\Run: [Performance Center] C:\Programme\Ascentive\Performance Center\APCMain.exe -m
O4 - HKCU\..\Run: [ICQ] "C:\Programme\ICQ6.5\ICQ.exe" silent
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'LOKALER DIENST')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'NETZWERKDIENST')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: MSI US54SE 802.11b+g USB Stick Utility.lnk = C:\Programme\MSI\US54SE_Utility\ZDWlan.exe
O8 - Extra context menu item: Compare Prices with &Dealio - C:\Dokumente und Einstellungen\Feff\Anwendungsdaten\Dealio\kb127\res\DealioSearch.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Konsole - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Programme\ICQLite\ICQLite.exe (file missing)
O9 - Extra 'Tools' menuitem: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Programme\ICQLite\ICQLite.exe (file missing)
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Programme\ICQ6.5\ICQ.exe
O9 - Extra 'Tools' menuitem: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Programme\ICQ6.5\ICQ.exe
O9 - Extra button: Dealio - {E908B145-C847-4e85-B315-07E2E70DECF8} - C:\Programme\Dealio\kb127\Dealio.dll
O9 - Extra 'Tools' menuitem: Dealio - {E908B145-C847-4e85-B315-07E2E70DECF8} - C:\Programme\Dealio\kb127\Dealio.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: {59136DB4-6CA3-4B40-8F2F-BBF84B6F1E91} (Attachment Upload Control) - https://stream.web.de/mail/activex/m...load_11213.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/wind...?1233845463656
O23 - Service: Adobe LM Service - Adobe Systems - C:\Programme\Gemeinsame Dateien\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: AntiVir PersonalEdition Classic Planer (AntiVirScheduler) - Avira GmbH - C:\Programme\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Programme\Avira\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programme\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: ICQ Service - Unknown owner - C:\Programme\ICQ6Toolbar\ICQ Service.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Programme\CyberLink\Shared Files\RichVideo.exe

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End of file - 7250 bytes

Danke schonmal..!