Trojaner-Board - PC Freeze nach einiger Zeit?

Hallo, ich habe seit 1 Tag ein Problem mti meinem Computer, ich vermute Tronajer/virus, sonstiges...mein pc friert nämlich nach einer gewissen Zeit ein!(Ohne dass aufwendige programme laufen, ich surfe z.B. nur, oder chatte im icq/skype)
Jetzt versuche ich folgendes, ich gucke zur Zeit, ob er nur online, oder auch offline einfriert... ich editiere, wenn ich was neues weiß
hier mal ein hjackthis ausschnitt

(mein System/Windows7 ultimate 64bit, 4gb ram, 2kernprozessor @2.1 ghz

******************
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 17:40:48, on 16.12.2009
Platform: Unknown Windows (WinNT 6.01.3004)
MSIE: Internet Explorer v8.00 (8.00.7100.0000)
Boot mode: Normal

Running processes:
C:\Program Files (x86)\Skype\Phone\Skype.exe
C:\Users\ichhh\AppData\Local\Google\Update\1.2.183 .13\GoogleCrashHandler.exe
C:\Program Files (x86)\ICQ6.5\ICQ.exe
C:\Program Files (x86)\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files (x86)\Microsoft Office\Office12\ONENOTEM.EXE
C:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files (x86)\Java\jre6\bin\jusched.exe
C:\Program Files (x86)\Camera Assistant Software for Toshiba\traybar.exe
C:\Program Files (x86)\Skype\Plugin Manager\skypePM.exe
C:\Users\ichh\AppData\Local\Google\Chrome\Applicat ion\chrome.exe
C:\Users\ichhh\AppData\Local\Google\Chrome\Applica tion\chrome.exe
C:\Users\ichh\AppData\Local\Google\Chrome\Applicat ion\chrome.exe
C:\Users\ichh\AppData\Local\Google\Chrome\Applicat ion\chrome.exe
C:\Users\ichhha\AppData\Local\Google\Chrome\Applic ation\chrome.exe
C:\Users\ichhh\Documents\Downloads\OTL (1).exe
C:\Users\ichha\AppData\Local\Google\Chrome\Applica tion\chrome.exe
C:\Users\ichhh\Documents\Downloads\HiJackThis.exe
C:\Program Files (x86)\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://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: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files (x86)\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\Program Files (x86)\Microsoft Office\Office12\GrooveShellExtensions.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [avgnt] "C:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [GrooveMonitor] "C:\Program Files (x86)\Microsoft Office\Office12\GrooveMonitor.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [Camera Assistant Software] "C:\Program Files (x86)\Camera Assistant Software for Toshiba\traybar.exe" /start
O4 - HKCU\..\Run: [Google Update] "C:\Users\Aleksa\AppData\Local\Google\Update\Googl eUpdate.exe" /c
O4 - HKCU\..\Run: [Skype] "C:\Program Files (x86)\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [ICQ] "C:\Program Files (x86)\ICQ6.5\ICQ.exe" silent
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Program Files (x86)\DAEMON Tools Lite\DTLite.exe" -autorun
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files (x86)\Spybot - Search & Destroy\TeaTimer.exe
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: OneNote 2007 Screen Clipper and Launcher.lnk = C:\Program Files (x86)\Microsoft Office\Office12\ONENOTEM.EXE
O4 - Global Startup: GamersFirst LIVE!.lnk = C:\Program Files (x86)\GamersFirst\LIVE!\Live.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~2\MICROS~1\Office12\EXCEL.EXE/3000
O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: S&end to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~1\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\MICROS~1\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files (x86)\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Program Files (x86)\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra button: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Program Files (x86)\ICQ6.5\ICQ.exe
O9 - Extra 'Tools' menuitem: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Program Files (x86)\ICQ6.5\ICQ.exe
O13 - Gopher Prefix:
O16 - DPF: {784797A8-342D-4072-9486-03C8D0F2F0A1} (Battlefield Heroes Updater) - https://www.battlefieldheroes.com/st...r_4.0.27.0.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\Program Files (x86)\Microsoft Office\Office12\GrooveSystemServices.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~2\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing)
O23 - Service: AMD External Events Utility - Unknown owner - C:\Windows\system32\atiesrxx.exe (file missing)
O23 - Service: Avira AntiVir Planer (AntiVirSchedulerService) - Avira GmbH - C:\Program Files (x86)\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files (x86)\Avira\AntiVir Desktop\avguard.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: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing)
O23 - Service: Nero BackItUp Scheduler 4.0 - Nero AG - C:\Program Files (x86)\Common Files\Nero\Nero BackItUp 4\NBService.exe
O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: PnkBstrA - Unknown owner - C:\Windows\system32\PnkBstrA.exe
O23 - Service: PnkBstrB - Unknown owner - C:\Windows\system32\PnkBstrB.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: SBSD Security Center Service (SBSDWSCService) - Safer Networking Ltd. - C:\Program Files (x86)\Spybot - Search & Destroy\SDWinSec.exe
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: TOSHIBA Optical Disc Drive Service (TODDSrv) - TOSHIBA Corporation - C:\Windows\SysWOW64\TODDSrv.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 - 9751 bytes
************

was kann ich tun?