Trojaner-Board - Schaltet das Internet ab

Mein Rechner hängt sich nachdem ich mich im Internet eingewählt habe (ARCOR DSL 6000) nach 1-2 minuten ab und ich diale mich wieder rein.
wo liegt das Problem?
Kann mir jemand behilflich sein ?
Vielen Dank

Logfile of HijackThis v1.99.1
Scan saved at 20:14:48, on 29.01.2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)

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\pctspk.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Programme\ahead\InCD\InCD.exe
C:\Programme\Java\jre1.5.0_10\bin\jusched.exe
C:\Programme\Multimedia Combo Set\MouseDrv.exe
C:\Programme\Multimedia Combo Set\PS2USBKbdDrv.exe
C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe
C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe
F:\itunes\iTunesHelper.exe
C:\Programme\QuickTime\qttask.exe
C:\Programme\iPod\bin\iPodService.exe
C:\WINDOWS\system32\ctfmon.exe
F:\NkbMonitor.exe
C:\Programme\ArcorOnline\Arcor.exe
C:\Programme\Internet Explorer\IEXPLORE.EXE
C:\WINDOWS\system32\NOTEPAD.EXE
C:\Dokumente und Einstellungen\Y....\Desktop\hijackthis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.arcor.de
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.arcor.de
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.arcor.de
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.arcor.de
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.arcor.de
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.arcor.de
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,First Home Page = http://www.arcor.de
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,First Home Page = http://www.arcor.de
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Arcor AG & Co. KG
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\WINDOWS\Downloaded Program Files\ycomp5_3_18_0.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programme\Java\jre1.5.0_10\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programme\google\googletoolbar2.dll
O3 - Toolbar: Yahoo! Assistent - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\WINDOWS\Downloaded Program Files\ycomp5_3_18_0.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programme\google\googletoolbar2.dll
O4 - HKLM\..\Run: [InCD] C:\Programme\ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programme\Java\jre1.5.0_10\bin\jusched.exe"
O4 - HKLM\..\Run: [WireLessMouse ] C:\Programme\Multimedia Combo Set\MouseDrv.exe
O4 - HKLM\..\Run: [WireLessKeyboard ] C:\Programme\Multimedia Combo Set\PS2USBKbdDrv.exe
O4 - HKLM\..\Run: [avgnt] "C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [TkBellExe] "C:\Programme\Gemeinsame Dateien\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [iTunesHelper] "F:\itunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programme\QuickTime\qttask.exe" -atboottime
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [updateMgr] "C:\Programme\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe" AcRdB7_0_9 -reboot 1
O4 - Global Startup: Adobe Reader - Schnellstart.lnk = C:\Programme\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = F:\Microsoft.Office\Office\OSA9.EXE
O4 - Global Startup: NkbMonitor.exe.lnk = F:\NkbMonitor.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_10\bin\npjpi150_10.dll
O9 - Extra 'Tools' menuitem: Sun Java Konsole - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_10\bin\npjpi150_10.dll
O9 - Extra button: PartyPoker.net - {F4430FE8-2638-42e5-B849-800749B94EED} - C:\Programme\PartyGaming.Net\PartyPokerNet\RunPF.exe (file missing)
O9 - Extra 'Tools' menuitem: PartyPoker.net - {F4430FE8-2638-42e5-B849-800749B94EED} - C:\Programme\PartyGaming.Net\PartyPokerNet\RunPF.exe (file missing)
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
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {2FC9A21E-2069-4E47-8235-36318989DB13} (PPSDKActiveXScanner.MainScreen) - http://ppupdates.ca.com/downloads/scanner/axscanner.cab
O16 - DPF: {31B7EB4E-8B4B-11D1-A789-00A0CC6651A8} (Cult3D ActiveX Player) - http://www.cult3d.com/download/cult.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/22cacbffc3f952fd9715/netzip/RdxIE601_de.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1163252355312
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) - http://www.airport-nuernberg.de/_/tools/AxisCamControl.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {C36112BF-2FA3-4694-8603-3B510EA3B465} (Lycos File Upload Component) - http://f006.mail.lycos.de/app/uploader/FileUploader.cab
O16 - DPF: {E855A2D4-987E-4F3B-A51C-64D10A7E2479} (EPSImageControl Class) - http://tools.ebayimg.com/eps/activex/EPSControl_v1-32.cab
O16 - DPF: {EF99BD32-C1FB-11D2-892F-0090271D4F88} (Yahoo! Assistent) - http://us.dl1.yimg.com/download.companion.yahoo.com/dl/toolbar/yiebio5_3_18_0.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{2C092498-B722-4CC0-9F7A-626779A0C2EB}: NameServer = 195.50.140.114 195.50.140.252
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.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: iPodService - Apple Computer, Inc. - C:\Programme\iPod\bin\iPodService.exe
O23 - Service: PCTEL Speaker Phone (Pctspk) - PCtel, Inc. - C:\WINDOWS\system32\pctspk.exe