Hallo Zusammen,
wieder mal ein Browserstart mit Werbung. Kann aber selbst nichts erkennen. Vielen Dank schon mal im Voraus für die Unterstützung.
Das Hijack this log file:

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 11:04:23, on 25.07.2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v7.00 (7.00.6002.18005)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
C:\hp\support\hpsysdrv.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\Brother\Brmfcmon\BrMfcWnd.exe
C:\Windows\System32\rundll32.exe
C:\Program Files\AVG\AVG8\avgtray.exe
C:\Windows\WindowsMobile\wmdc.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Synergy\synergys.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Windows\System32\rundll32.exe
C:\Program Files\CASIO\Photo Loader\Plauto.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\Brother\ControlCenter3\brccMCtl.exe
C:\Windows\System32\mobsync.exe
C:\Program Files\Windows Media Player\wmplayer.exe
C:\Program Files\Brother\Brmfcmon\BrMfcmon.exe
C:\Users\xxyyxx\AppData\Local\eabhg.exe
C:\hp\kbd\kbd.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Users\xxyyxx\Downloads\HiJackThis204.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = h**p://www.google.de/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = h**p://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=DE_DE&c=71&bd=Pavilion&pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = h**p://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = h**p://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = h**p://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=DE_DE&c=71&bd=Pavilion&pf=desktop
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: (no name) - *{CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file)
R3 - URLSearchHook: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Program Files\AVG\AVG8\Toolbar\IEToolbar.dll
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Program Files\AVG\AVG8\Toolbar\IEToolbar.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: AVG Security Toolbar - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - C:\Program Files\AVG\AVG8\Toolbar\IEToolbar.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [hpsysdrv] c:\hp\support\hpsysdrv.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KbdStub.EXE
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [BrMfcWnd] C:\Program Files\Brother\Brmfcmon\BrMfcWnd.exe /AUTORUN
O4 - HKLM\..\Run: [ControlCenter3] C:\Program Files\Brother\ControlCenter3\brctrcen.exe /autorun
O4 - HKLM\..\Run: [NvSvc] RUNDLL32.EXE C:\Windows\system32\nvsvc.dll,nvsvcStart
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\Windows\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\Windows\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Windows Mobile Device Center] %windir%\WindowsMobile\wmdc.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\RunOnce: [Launcher] %WINDIR%\SMINST\launcher.exe
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [Synergy Server] "C:\Program Files\Synergy\synergys.exe" --no-daemon --debug WARNING --name xxyyxx-PC --address :24800
O4 - HKCU\..\Run: [ISUSPM Startup] C:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\isuspm.exe -startup
O4 - HKCU\..\Run: [updateMgr] C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe AcRdB7_0_9
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [eabhg] "c:\users\xxyyxx\appdata\local\eabhg.exe" eabhg
O4 - HKUS\S-1-5-18\..\Run: [Picasa Media Detector] C:\Program Files\Picasa2\PicasaMediaDetector.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [Picasa Media Detector] C:\Program Files\Picasa2\PicasaMediaDetector.exe (User 'Default user')
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Photo Loader resident.lnk = C:\Program Files\CASIO\Photo Loader\Plauto.exe
O8 - Extra context menu item: Add to Evernote - res://C:\Program Files\Evernote\Evernote3\enbar.dll/2000
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\Windows\system32\GPhotos.scr/200
O8 - Extra context menu item: Nach Microsoft E&xel exportieren - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O9 - Extra button: An OneNote senden - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: An OneNote s&enden - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra button: @C:\Windows\WindowsMobile\INetRepl.dll,-222 - {2EAF5BB1-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
O9 - Extra button: (no name) - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
O9 - Extra 'Tools' menuitem: @C:\Windows\WindowsMobile\INetRepl.dll,-223 - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
O9 - Extra button: Add to Evernote - {E0B8C461-F8FB-49b4-8373-FE32E9252800} - C:\Program Files\Evernote\Evernote3\enbar.dll
O9 - Extra 'Tools' menuitem: Add to Evernote - {E0B8C461-F8FB-49b4-8373-FE32E9252800} - C:\Program Files\Evernote\Evernote3\enbar.dll
O16 - DPF: {6B75345B-AA36-438A-BBE6-4078B4C6984D} - h**p://h20270.www2.hp.com/ediags/gmn2/install/HPProductDetection.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - h**p://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O20 - AppInit_DLLs: avgrsstx.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\Windows\system32\browseui.dll
O23 - Service: AVG8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: Symantec Lic NetConnect service (CLTNetCnService) - Unknown owner - c:\Program Files\Common Files\Symantec Shared\ccSvcHst.exe (file missing)
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - c:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: StarMoney 7.0 OnlineUpdate - Star Finanz - Software Entwicklung und Vertriebs GmbH - C:\Program Files\StarMoney 7.0\ouservice\StarMoneyOnlineUpdate.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - c:\Program Files\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: TeamViewer 3 (TeamViewer) - Unknown owner - C:\Program Files\TeamViewer3\TeamViewer_Host.exe

--
End of file - 8406 bytes

download bootkit remover:
http://ad13.geekstogo.com/MBRCheck.exe
führe die datei aus, auf dem desktop wird eine mbrcheck(datum).txt erstellt, inhalt posten.