Hallo,
Wie der titel schon sagt ist und bleibt der task rundll32.exe seit tagen auch nach neutstarts bei 50%.

Wäre jemand bereit sich die logs mal anzuschauen?

HijackThis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:36:38, on 13.07.2012
Platform: Unknown Windows (WinNT 6.01.3505 SP1)
MSIE: Internet Explorer v9.00 (9.00.8112.16447)
Boot mode: Normal

Running processes:
C:\Program Files\TrueCrypt\TrueCrypt.exe
P:\Program Files (x86)\G Data\InternetSecurity\AVKTray\AVKTray.exe
P:\Program Files (x86)\G Data\InternetSecurity\Firewall\GDFirewallTray.exe
C:\Windows\SysWOW64\rundll32.exe
C:\Users\Timo\Desktop\HiJackThis.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 = hxxp://go.microsoft.com/fwlink/?LinkId=69157
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 = C:\Windows\SysWOW64\blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
F2 - REG:system.ini: UserInit=userinit.exe,
O2 - BHO: ContributeBHO Class - {074C1DC5-9320-4A9A-947D-C042949C6216} - P:\Adobe\creative\Adobe Contribute CS5\Plugins\IEPlugin\contributeieplugin.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~2\MICROS~1\Office14\GROOVEEX.DLL
O2 - BHO: URLRedirectionBHO - {B4F3A835-0E21-4959-BA22-42B3008E02FF} - C:\PROGRA~2\MICROS~1\Office14\URLREDIR.DLL
O2 - BHO: G Data BankGuard - {BA3295CF-17ED-4F49-9E95-D999A0ADBFDC} - C:\Program Files (x86)\Common Files\G DATA\AVKProxy\BanksafeBHO.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - P:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: Contribute Toolbar - {517BDDE4-E3A7-4570-B21E-2B52B6139FC7} - P:\Adobe\creative\Adobe Contribute CS5\Plugins\IEPlugin\contributeieplugin.dll
O4 - HKLM\..\Run: [G Data AntiVirus Tray Application] P:\Program Files (x86)\G Data\InternetSecurity\AVKTray\AVKTray.exe
O4 - HKLM\..\Run: [GDFirewallTray] P:\Program Files (x86)\G Data\InternetSecurity\Firewall\GDFirewallTray.exe
O4 - HKCU\..\Run: [TrueCrypt] "C:\Program Files\TrueCrypt\TrueCrypt.exe" /q preferences /a logon
O4 - HKCU\..\RunOnce: [FlashPlayerUpdate] C:\Windows\SysWOW64\Macromed\Flash\FlashUtil11f_Plugin.exe -update plugin
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'LOKALER DIENST')
O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'LOKALER DIENST')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'NETZWERKDIENST')
O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'NETZWERKDIENST')
O4 - Startup: Dropbox.lnk = Timo\AppData\Roaming\Dropbox\bin\Dropbox.exe
O8 - Extra context menu item: An OneNote s&enden - res://P:\PROGRA~2\MICROS~1\Office14\ONBttnIE.dll/105
O8 - Extra context menu item: Nach Microsoft E&xcel exportieren - res://P:\PROGRA~2\MICROS~1\Office14\EXCEL.EXE/3000
O9 - Extra button: An OneNote senden - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: An OneNote s&enden - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIE.dll
O9 - Extra button: Verknüpfte &OneNote-Notizen - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIELinkedNotes.dll
O9 - Extra 'Tools' menuitem: Verknüpfte &OneNote-Notizen - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIELinkedNotes.dll
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O13 - Gopher Prefix:
O16 - DPF: {6E718D87-6909-4FCE-92D4-EDCB2F725727} (Navigram Control) - hxxp://navigram.com/engine/v1026/Navigram.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~2\COMMON~1\Skype\SKYPE4~1.DLL
O18 - Filter hijack: text/xml - {807573E5-5146-11D5-A672-00B0D022E945} - C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLMF.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: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing)
O23 - Service: G Data AntiVirus Proxy (AVKProxy) - G Data Software AG - C:\Program Files (x86)\Common Files\G Data\AVKProxy\AVKProxy.exe
O23 - Service: G Data Scheduler (AVKService) - G Data Software AG - P:\Program Files (x86)\G Data\InternetSecurity\AVK\AVKService.exe
O23 - Service: G Data Dateisystem Wächter (AVKWCtl) - G Data Software AG - P:\Program Files (x86)\G Data\InternetSecurity\AVK\AVKWCtlX64.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: G Data Personal Firewall (GDFwSvc) - G Data Software AG - P:\Program Files (x86)\G Data\InternetSecurity\Firewall\GDFwSvcx64.exe
O23 - Service: G Data Scanner (GDScan) - G Data Software AG - C:\Program Files (x86)\Common Files\G Data\GDScan\GDScan.exe
O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: MBAMService - Malwarebytes Corporation - C:\Program Files (x86)\Malwarebytes' Anti-Malware\mbamservice.exe
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing)
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: PnkBstrA - Unknown owner - C:\Windows\system32\PnkBstrA.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: Steam Client Service - Valve Corporation - C:\Program Files (x86)\Common Files\Steam\SteamService.exe
O23 - Service: TrueCrypt System Favorites (TrueCryptSystemFavorites) - TrueCrypt Foundation - C:\Windows\SysWOW64\TrueCrypt.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 - 9309 bytes

hi
hjt logs bringen unter win7 nichts, deswegen wollen wir auch keine mehr sehen.
Falls noch nicht vorhanden, lade Dir bitte OTL von Oldtimer herunter und speichere es auf Deinem Desktop

• Starte bitte die
  OTL.exe
  .
  Vista und Win7 User mit Rechtsklick "als Administrator starten"
• Kopiere nun den Inhalt in die
  Textbox.

activex
netsvcs
msconfig
%SYSTEMDRIVE%\*.
%PROGRAMFILES%\*.exe
%LOCALAPPDATA%\*.exe
%systemroot%\*. /mp /s
/md5start
userinit.exe
eventlog.dll
scecli.dll
netlogon.dll
cngaudit.dll
ws2ifsl.sys
sceclt.dll
ntelogon.dll
winlogon.exe
logevent.dll
user32.DLL
explorer.exe
iaStor.sys
nvstor.sys
atapi.sys
IdeChnDr.sys
viasraid.sys
AGP440.sys
vaxscsi.sys
nvatabus.sys
viamraid.sys
nvata.sys
nvgts.sys
iastorv.sys
ViPrt.sys
eNetHook.dll
ahcix86.sys
KR10N.sys
nvstor32.sys
ahcix86s.sys
/md5stop
%systemroot%\system32\drivers\*.sys /lockedfiles
%systemroot%\System32\config\*.sav
%systemroot%\system32\*.dll /lockedfiles
%USERPROFILE%\*.*
%USERPROFILE%\Local Settings\Temp\*.exe
%USERPROFILE%\Local Settings\Temp\*.dll
%USERPROFILE%\Application Data\*.exe
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\SubSystems|Windows /rs
CREATERESTOREPOINT
         

• Schliesse bitte nun alle Programme. (Wichtig)
• Klicke nun bitte auf den Quick Scan Button.
• Kopiere
  nun den Inhalt aus OTL.txt und Extra.txt hier in Deinen Thread