Hi,
 
urplötzlich kam ein Bildschirm, dass mein Windows blockiert sei und ich etwas bezahlen solle, um selbiges wieder freizuschalten. 
Der Bildschirm geht auch nach Neustart des Rechners nicht weg und ich bin etwas verzweifelt. 
Poste mal das Logfile, welches ich im abgesicherten Modus erstellt habe. 
Wäre schön, wenn mir jemand helfen könnte. 

 
   Zitat:
   | Logfile of Trend Micro HijackThis v2.0.4 Scan saved at 12:29:18, on 21.12.2011
 Platform: Windows 7  (WinNT 6.00.3504)
 MSIE: Internet Explorer v8.00 (8.00.7600.16912)
 Boot mode: Safe mode with network support
 
 Running processes:
 W:\Program Files (x86)\Mozilla Firefox\firefox.exe
 W:\Program Files (x86)\Mozilla Firefox\plugin-container.exe
 W:\Users\Sebbo\Downloads\HiJackThis204.exe
 
 R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = hxxp://go.microsoft.com/fwlink/?LinkId=54896
 R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = www.rtwincustomize.net
 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = hxxp://go.microsoft.com/fwlink/?LinkId=69157
 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = hxxp://go.microsoft.com/fwlink/?LinkId=54896
 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = hxxp://go.microsoft.com/fwlink/?LinkId=54896
 R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = hxxp://go.microsoft.com/fwlink/?LinkId=69157
 R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
 R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
 R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = W:\Windows\SysWOW64\blank.htm
 R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
 R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
 R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - W:\Program Files (x86)\Yahoo!\Companion\Installs\cpn\yt.dll
 F2 - REG:system.ini: UserInit=userinit.exe
 O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4efb-9B51-7695ECA05670} - W:\Program Files (x86)\Yahoo!\Companion\Installs\cpn\yt.dll
 O2 - BHO: HP Print Enhancer - {0347C33E-8762-4905-BF09-768834316C61} - W:\Program Files (x86)\HP\Digital Imaging\Smart Web Printing\hpswp_printenhancer.dll
 O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - W:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
 O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - W:\Program Files (x86)\Microsoft Office\Office12\GrooveShellExtensions.dll
 O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - W:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
 O2 - BHO: Windows Live Messenger Companion Helper - {9FDDE16B-836F-4806-AB1F-1455CBEFF289} - W:\Program Files (x86)\Windows Live\Companion\companioncore.dll
 O2 - BHO: SkypeIEPluginBHO - {AE805869-2E5C-4ED4-8F7B-F1F7851A4497} - W:\Program Files (x86)\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
 O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - W:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll
 O2 - BHO: SingleInstance Class - {FDAD4DA1-61A2-4FD8-9C17-86F7AC245081} - W:\Program Files (x86)\Yahoo!\Companion\Installs\cpn\YTSingleInstance.dll
 O2 - BHO: HP Smart BHO Class - {FFFFFFFF-CF4E-4F2B-BDC2-0E72E116A856} - W:\Program Files (x86)\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll
 O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - W:\Program Files (x86)\Yahoo!\Companion\Installs\cpn\yt.dll
 O4 - HKLM\..\Run: [avgnt] "W:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe" /min
 O4 - HKLM\..\Run: [svchospt] W:\Windows\SysWOW64\svchospt.exe
 O4 - HKLM\..\Run: [TrayServer] W:\Program Files (x86)\MAGIX\Video_deluxe_MX_Premium_Download-Version\TrayServer_de.exe
 O4 - HKLM\..\Run: [hpqSRMon] W:\Program Files (x86)\HP\Digital Imaging\bin\hpqSRMon.exe
 O4 - HKLM\..\Run: [APSDaemon] "W:\Program Files (x86)\Common Files\Apple\Apple Application Support\APSDaemon.exe"
 O4 - HKLM\..\Run: [iTunesHelper] "W:\Program Files (x86)\iTunes\iTunesHelper.exe"
 O4 - HKLM\..\Run: [PDFPrint] W:\Program Files (x86)\PDF24\pdf24.exe
 O4 - HKCU\..\Run: [DAEMON Tools Lite] "W:\Program Files (x86)\DAEMON Tools Lite\DTLite.exe" -autorun
 O4 - HKCU\..\Run: [{50F32F34-954A-11E0-BB8C-806E6F6E6963}] W:\Users\Sebbo\AppData\Roaming\Microsoft\dllhsts.exe
 O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'LOCAL SERVICE')
 O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] W:\Windows\System32\mctadmin.exe (User 'LOCAL SERVICE')
 O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'NETWORK SERVICE')
 O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] W:\Windows\System32\mctadmin.exe (User 'NETWORK SERVICE')
 O4 - Global Startup: HP Digital Imaging Monitor.lnk = W:\Program Files (x86)\HP\Digital Imaging\bin\hpqtra08.exe
 O8 - Extra context menu item: Nach Microsoft E&xel exportieren - res://W:\PROGRA~2\MICROS~1\Office12\EXCEL.EXE/3000
 O9 - Extra button: @W:\Program Files (x86)\Windows Live\Companion\companionlang.dll,-600 - {0000036B-C524-4050-81A0-243669A86B9F} - W:\Program Files (x86)\Windows Live\Companion\companioncore.dll
 O9 - Extra button: @W:\Program Files (x86)\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1004 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - W:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
 O9 - Extra 'Tools' menuitem: @W:\Program Files (x86)\Windows Live\Writer\WindowsLiveWriterShortcuts.dll,-1003 - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - W:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
 O9 - Extra button: An OneNote senden - {2670000A-7350-4f3c-8081-5663EE0C6C49} - W:\PROGRA~2\MICROS~1\Office12\ONBttnIE.dll
 O9 - Extra 'Tools' menuitem: An OneNote s&enden - {2670000A-7350-4f3c-8081-5663EE0C6C49} - W:\PROGRA~2\MICROS~1\Office12\ONBttnIE.dll
 O9 - Extra button: ICQ7.5 - {7578ADEA-D65F-4C89-A249-B1C88B6FFC20} - W:\Program Files (x86)\ICQ7.5\ICQ.exe
 O9 - Extra 'Tools' menuitem: ICQ7.5 - {7578ADEA-D65F-4C89-A249-B1C88B6FFC20} - W:\Program Files (x86)\ICQ7.5\ICQ.exe
 O9 - Extra button: Click to call with Skype - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - W:\Program Files (x86)\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
 O9 - Extra 'Tools' menuitem: Click to call with Skype - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - W:\Program Files (x86)\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
 O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - W:\PROGRA~2\MICROS~1\Office12\REFIEBAR.DLL
 O9 - Extra button: Show or hide HP Smart Web Printing - {DDE87865-83C5-48c4-8357-2F5B1AA84522} - W:\Program Files (x86)\HP\Digital Imaging\Smart Web Printing\hpswp_BHO.dll
 O10 - Unknown file in Winsock LSP: w:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
 O10 - Unknown file in Winsock LSP: w:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll
 O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - W:\Program Files (x86)\Microsoft Office\Office12\GrooveSystemServices.dll
 O18 - Protocol: skype-ie-addon-data - {91774881-D725-4E58-B298-07617B9B86A8} - W:\Program Files (x86)\Skype\Toolbars\Internet Explorer\skypeieplugin.dll
 O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - W:\Program Files (x86)\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
 O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - W:\Program Files (x86)\Common Files\Adobe\ARM\1.0\armsvc.exe
 O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - W:\Windows\System32\alg.exe (file missing)
 O23 - Service: Avira AntiVir Planer (AntiVirSchedulerService) - Avira GmbH - W:\Program Files (x86)\Avira\AntiVir Desktop\sched.exe
 O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - W:\Program Files (x86)\Avira\AntiVir Desktop\avguard.exe
 O23 - Service: Apple Mobile Device - Apple Inc. - W:\Program Files (x86)\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
 O23 - Service: Dienst "Bonjour" (Bonjour Service) - Apple Inc. - W:\Program Files\Bonjour\mDNSResponder.exe
 O23 - Service: Creative Audio Engine Licensing Service - Creative Labs - W:\Program Files (x86)\Common Files\Creative Labs Shared\Service\CTAELicensing.exe
 O23 - Service: Creative Audio Service (CTAudSvcService) - Creative Technology Ltd - W:\Program Files (x86)\Creative\Shared Files\CTAudSvc.exe
 O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - W:\Windows\System32\lsass.exe (file missing)
 O23 - Service: FABS - Helping agent for MAGIX media database (Fabs) - MAGIX AG - W:\Program Files (x86)\Common Files\MAGIX Services\Database\bin\FABS.exe
 O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - W:\Windows\system32\fxssvc.exe (file missing)
 O23 - Service: Firebird Server - MAGIX Instance (FirebirdServerMAGIXInstance) - MAGIX® - W:\Program Files (x86)\Common Files\MAGIX Services\Database\bin\fbserver.exe
 O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - W:\Program Files (x86)\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
 O23 - Service: FLEXnet Licensing Service 64 - Acresso Software Inc. - W:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService64.exe
 O23 - Service: Google Update-Dienst (gupdate) (gupdate) - Google Inc. - W:\Program Files (x86)\Google\Update\GoogleUpdate.exe
 O23 - Service: Google Update-Dienst (gupdatem) (gupdatem) - Google Inc. - W:\Program Files (x86)\Google\Update\GoogleUpdate.exe
 O23 - Service: iPod-Dienst (iPod Service) - Apple Inc. - W:\Program Files\iPod\bin\iPodService.exe
 O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - W:\Windows\system32\lsass.exe (file missing)
 O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - W:\Windows\System32\msdtc.exe (file missing)
 O23 - Service: NBService - Nero AG - W:\Program Files (x86)\Nero\Nero 7\Nero BackItUp\NBService.exe
 O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - W:\Windows\system32\lsass.exe (file missing)
 O23 - Service: NMIndexingService - Nero AG - W:\Program Files (x86)\Common Files\Ahead\Lib\NMIndexingService.exe
 O23 - Service: NVIDIA Display Driver Service (NVSvc) - Unknown owner - W:\Windows\system32\nvvsvc.exe (file missing)
 O23 - Service: NVIDIA Update Service Daemon (nvUpdatusService) - NVIDIA Corporation - W:\Program Files (x86)\NVIDIA Corporation\NVIDIA Updatus\daemonu.exe
 O23 - Service: PnkBstrA - Unknown owner - W:\Windows\system32\PnkBstrA.exe
 O23 - Service: PnkBstrB - Unknown owner - W:\Windows\system32\PnkBstrB.exe
 O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - W:\Windows\system32\lsass.exe (file missing)
 O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - W:\Windows\system32\locator.exe (file missing)
 O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - W:\Windows\system32\lsass.exe (file missing)
 O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - W:\Windows\System32\snmptrap.exe (file missing)
 O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - W:\Windows\System32\spoolsv.exe (file missing)
 O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - W:\Windows\system32\sppsvc.exe (file missing)
 O23 - Service: Steam Client Service - Valve Corporation - W:\Program Files (x86)\Common Files\Steam\SteamService.exe
 O23 - Service: NVIDIA Stereoscopic 3D Driver Service (Stereo Service) - NVIDIA Corporation - W:\Program Files (x86)\NVIDIA Corporation\3D Vision\nvSCPAPISvr.exe
 O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - W:\Windows\system32\UI0Detect.exe (file missing)
 O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - W:\Windows\system32\lsass.exe (file missing)
 O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - W:\Windows\System32\vds.exe (file missing)
 O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - W:\Windows\system32\vssvc.exe (file missing)
 O23 - Service: @%SystemRoot%\system32\Wat\WatUX.exe,-601 (WatAdminSvc) - Unknown owner - W:\Windows\system32\Wat\WatAdminSvc.exe (file missing)
 O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - W:\Windows\system32\wbengine.exe (file missing)
 O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - W:\Windows\system32\wbem\WmiApSrv.exe (file missing)
 O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - W:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing)
 
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 End of file - 12738 bytes
 | 
 
  Falls ihr noch mehr Sachen seht, die nicht reingehören, wäre das natürlich auch nicht schlecht ;-) Vielen Dank. 
Gruß Baddy