Hallo, 
Ik heb hetzelfde probleem en na wat gezoek op google kwam ik hier terecht. 
Ik heb ccleaner toegepast, die heeft heel wat weggehaald maar het probleem is absoluut niet verdwenen. Ik heb het na elke keer opstarten, krijg het schermpje ook bijna niet uitgeklikt en de laptop is gigantisch traag. Bij het afsluiten van de pc loopt deze vast. 
Ik heb een log file gemaakt met HiJacktiss en hoop dat er iemand is die hier iets in ziet wat niet klopt...mij zegt het allemaal niets. 
LOG : 
Logfile of Trend Micro HijackThis v2.0.4 
Scan saved at 22:21:56, on 8-3-2013 
Platform: Windows 7  (WinNT 6.00.3504) 
MSIE: Internet Explorer v9.00 (9.00.8112.16464) 
Boot mode: Normal 
Running processes: 
C:\Program Files (x86)\Common Files\LightScribe\LightScribeControlPanel.exe 
C:\Program Files (x86)\Samsung\Kies\External\FirmwareUpdate\KiesPDLR.exe 
C:\Program Files (x86)\Samsung\Kies\Kies.exe 
C:\Users\Richard\AppData\Roaming\Dropbox\bin\Dropbox.exe 
C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe 
C:\Program Files\AVAST Software\Avast\AvastUI.exe 
C:\Program Files (x86)\Samsung\Kies\KiesTrayAgent.exe 
C:\Program Files (x86)\PrivitizeVPN\PrivitizeVPN.exe 
C:\Windows\SysWOW64\regsvr32.exe 
C:\Program Files (x86)\Trend Micro\HiJackThis\HiJackThis.exe 
C:\ProgramData\Premium\ZoomEx\ZoomEx.exe 
C:\Windows\SysWOW64\DllHost.exe 
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = Bing 
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = Google 
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = Hotmail, Messenger, het laatste nieuws en entertainment | MSN.NL 
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = Bing 
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = Bing 
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = Google 
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 = C:\Windows\SysWOW64\blank.htm 
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =  
F2 - REG:system.ini: UserInit=userinit.exe 
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll 
O2 - BHO: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll 
O2 - BHO: Aanmeldhulp voor Windows Live ID - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll 
O2 - BHO: Zoomex - {B2672878-490F-B821-7FA6-FE3975D8CFCD} - C:\ProgramData\Zoomex\5108df7f577c6.dll 
O2 - BHO: BitAccelerator - {CAC42510-9B41-42c1-9DCD-7282A2D07C61} - C:\Program Files (x86)\BitAccelerator\BitAccelerator.dll 
O2 - BHO: Zoomex - {D81DC27E-3CA5-FA1D-BFAD-BBCB35B2D49E} - C:\ProgramData\Zoomex\5108dec1dbf62.dll 
O3 - Toolbar: avast! WebRep - {8E5E2654-AD2D-48bf-AC2D-D17F00898D06} - C:\Program Files\AVAST Software\Avast\aswWebRepIE.dll 
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" 
O4 - HKLM\..\Run: [avast] "C:\Program Files\AVAST Software\Avast\avastUI.exe" /nogui 
O4 - HKLM\..\Run: [KiesTrayAgent] C:\Program Files (x86)\Samsung\Kies\KiesTrayAgent.exe 
O4 - HKLM\..\Run: [PrivitizeVPN] C:\Program Files (x86)\PrivitizeVPN\PrivitizeVPN.exe /autorun 
O4 - HKCU\..\Run: [LightScribe Control Panel] C:\Program Files (x86)\Common Files\LightScribe\LightScribeControlPanel.exe -hidden 
O4 - HKCU\..\Run: [KiesPDLR] C:\Program Files (x86)\Samsung\Kies\External\FirmwareUpdate\KiesPDLR.exe 
O4 - HKCU\..\Run: [KiesPreload] C:\Program Files (x86)\Samsung\Kies\Kies.exe /preload 
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] C:\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] C:\Windows\System32\mctadmin.exe (User 'NETWORK SERVICE') 
O4 - Startup: Dropbox.lnk = C:\Users\Richard\AppData\Roaming\Dropbox\bin\Dropbox.exe 
O8 - Extra context menu item: E&xporteren naar Microsoft Excel - res://C:\PROGRA~2\MICROS~2\Office12\EXCEL.EXE/3000 
O8 - Extra context menu item: Free YouTube Download - C:\Users\Richard\AppData\Roaming\DVDVideoSoftIEHelpers\freeyoutubedownload.htm 
O8 - Extra context menu item: Locate Spot on Map by GPS - C:\Program Files (x86)\Opanda\IExif 2.3\IExifMap.htm 
O8 - Extra context menu item: View Exif/GPS/IPTC with IExif - C:\Program Files (x86)\Opanda\IExif 2.3\IExifCom.htm 
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\MICROS~2\Office12\REFIEBAR.DLL 
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll 
O10 - Unknown file in Winsock LSP: c:\program files (x86)\common files\microsoft shared\windows live\wlidnsp.dll 
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics 
O17 - HKLM\System\CCS\Services\Tcpip\..\{BFE287C2-69BF-44DD-B25C-FA32336BBA8B}: NameServer = 213.46.228.196,62.179.104.196 
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files (x86)\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll 
O20 - AppInit_DLLs:   c:\progra~2\zoomex\sprote~1.dll 
O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\armsvc.exe 
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exe 
O23 - Service: Andrea ST Filters Service (AESTFilters) - Andrea Electronics Corporation - C:\Windows\System32\DriverStore\FileRepository\stwrt64.inf_amd64_neutral_960c1f056a541068\AESTSr64.exe 
O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing) 
O23 - Service: avast! Antivirus - AVAST Software - C:\Program Files\AVAST Software\Avast\AvastSvc.exe 
O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing) 
O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing) 
O23 - Service: Google Update-service (gupdate) (gupdate) - Google Inc. - C:\Program Files (x86)\Google\Update\GoogleUpdate.exe 
O23 - Service: Google Update-service (gupdatem) (gupdatem) - Google Inc. - C:\Program Files (x86)\Google\Update\GoogleUpdate.exe 
O23 - Service: HP Service (hpsrv) - Unknown owner - C:\Windows\system32\Hpservice.exe (file missing) 
O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) 
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files (x86)\Common Files\LightScribe\LSSrvc.exe 
O23 - Service: Mozilla Maintenance Service (MozillaMaintenance) - Mozilla Foundation - C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe 
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing) 
O23 - Service: @C:\Program Files (x86)\Nero\Update\NASvc.exe,-200 (NAUpdate) - Nero AG - C:\Program Files (x86)\Nero\Update\NASvc.exe 
O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) 
O23 - Service: NVIDIA Display Driver Service (nvsvc) - Unknown owner - C:\Windows\system32\nvvsvc.exe (file missing) 
O23 - Service: NVIDIA Update Service Daemon (nvUpdatusService) - NVIDIA Corporation - C:\Program Files (x86)\NVIDIA Corporation\NVIDIA Update Core\daemonu.exe 
O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) 
O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing) 
O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) 
O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing) 
O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - C:\Windows\System32\spoolsv.exe (file missing) 
O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing) 
O23 - Service: Audio Service (STacSV) - IDT, Inc. - C:\Windows\System32\DriverStore\FileRepository\stwrt64.inf_amd64_neutral_960c1f056a541068\STacSV64.exe 
O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing) 
O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) 
O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing) 
O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing) 
O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing) 
O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing) 
O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing) 
-- 
End of file - 9646 bytes 
Als er iemand mij hierin kan en wil adviseren hoor ik het graag. 
Alvast bedankt !