Danke für die Antwort!
Hier zuerst:
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 10:51:41, on 25.09.2012
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal
Running processes:
H:\WINDOWS\System32\smss.exe
H:\WINDOWS\system32\winlogon.exe
H:\WINDOWS\system32\services.exe
H:\WINDOWS\system32\lsass.exe
H:\WINDOWS\system32\svchost.exe
H:\WINDOWS\System32\svchost.exe
H:\Programme\AVAST Software\Avast\afwServ.exe
H:\Programme\AVAST Software\Avast\AvastSvc.exe
H:\WINDOWS\Explorer.EXE
H:\WINDOWS\system32\spoolsv.exe
H:\Programme\Gemeinsame Dateien\logishrd\LVMVFM\UMVPFSrv.exe
H:\Programme\Java\jre7\bin\jqs.exe
H:\Programme\AVAST Software\Avast\avastUI.exe
H:\WINDOWS\system32\svchost.exe
H:\Programme\TuneUp Utilities 2013\TuneUpUtilitiesService32.exe
H:\Programme\UPHClean\uphclean.exe
H:\WINDOWS\system32\wuauclt.exe
H:\Programme\phonostar\ps_timer.exe
H:\Programme\TuneUp Utilities 2013\TuneUpUtilitiesApp32.exe
H:\WINDOWS\system32\wbem\wmiapsrv.exe
H:\1\Download\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://news.google.de/newsR1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://go.microsoft.com/fwlink/?LinkId=69157R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://go.microsoft.com/fwlink/?LinkId=54896R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://go.microsoft.com/fwlink/?LinkId=69157O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - H:\Dokumente und Einstellungen\All Users\Anwendungsdaten\Real\RealPlayer\BrowserRecordPlugin\IE\rpbrowserrecordplugin.dll
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - H:\Programme\Java\jre7\bin\ssv.dll
O2 - BHO: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - H:\Programme\AVAST Software\Avast\aswWebRepIE.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - H:\Programme\Java\jre7\bin\jp2ssv.dll
O3 - Toolbar: (no name) - {10EDB994-47F8-43F7-AE96-F2EA63E9F90F} - (no file)
O3 - Toolbar: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - H:\Programme\AVAST Software\Avast\aswWebRepIE.dll
O4 - HKLM\..\Run: [avast] "H:\Programme\AVAST Software\Avast\avastUI.exe" /nogui
O4 - HKCU\..\Run: [PhonostarTimer] H:\Programme\phonostar\ps_timer.exe
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] H:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Run: [DWQueuedReporting] "h:\PROGRA~1\GEMEIN~1\MICROS~1\DW\dwtrig20.exe" -t (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] H:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O8 - Extra context menu item: Free YouTube Download - H:\Dokumente und Einstellungen\Wolfgang\Anwendungsdaten\DVDVideoSoftIEHelpers\freeytvdownloader.htm
O8 - Extra context menu item: Free YouTube to MP3 Converter - H:\Dokumente und Einstellungen\Wolfgang\Anwendungsdaten\DVDVideoSoftIEHelpers\freeyoutubetomp3converter.htm
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - H:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - H:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) -
http://www.update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1341297273218O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) -
http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cabO16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} -
http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cabO18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - H:\PROGRA~1\GEMEIN~1\Skype\SKYPE4~1.DLL
O20 - AppInit_DLLs:
O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - H:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - H:\WINDOWS\system32\browseui.dll
O23 - Service: avast! Antivirus - AVAST Software - H:\Programme\AVAST Software\Avast\AvastSvc.exe
O23 - Service: avast! Firewall - AVAST Software - H:\Programme\AVAST Software\Avast\afwServ.exe
O23 - Service: Firebird Server - MAGIX Instance (FirebirdServerMAGIXInstance) - MAGIX® - H:\Programme\MAGIX\Common\Database\bin\fbserver.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - H:\Programme\Gemeinsame Dateien\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Oracle Corporation - H:\Programme\Java\jre7\bin\jqs.exe
O23 - Service: TuneUp Utilities Service (TuneUp.UtilitiesSvc) - TuneUp Software - H:\Programme\TuneUp Utilities 2013\TuneUpUtilitiesService32.exe
O23 - Service: UMVPFSrv - Logitech Inc. - H:\Programme\Gemeinsame Dateien\logishrd\LVMVFM\UMVPFSrv.exe
O23 - Service: User Profile Hive Cleanup (UPHClean) - Windows (R) Codename Longhorn DDK provider - H:\Programme\UPHClean\uphclean.exe
Früher benutzte ich einmal Avira-Antivirus-Premium; installiert ist Malwarebytes Anti-Malware (neueste Version)!