PC ab und zu langsam, BackdoorVirus?

BerserkerOne

Hallo.
Mein PC hat ab und zu, wie oben beschrieben eine leicht langsame Phase...
könnte das durch ein Externen Eingriff zu stande kommen?
falls ja was kann ich dagegen machen, ausser formatieren.
Freu mich über jede Hilfe.

Hier der Log :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 22:16:29, on 10.06.2009
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)\DAEMON Tools Lite\daemon.exe
C:\Program Files (x86)\Steam\Steam.exe
C:\Program Files (x86)\ICQ6.5\ICQ.exe
C:\Program Files (x86)\Electronic Arts\EADM\Core.exe
C:\Windows\SysWOW64\rundll32.exe
C:\Program Files (x86)\Creative\SB5.1 VX\Surround Mixer\CTSysVol.exe
C:\Program Files (x86)\Rockstar Games\Rockstar Games Social Club\1_0_0_0\RGSC.exe
C:\Program Files (x86)\iTunes\iTunesHelper.exe
C:\Program Files\Logitech\SetPoint\x86\SetPoint32.exe
C:\Program Files (x86)\Skype\Phone\Skype.exe
C:\Program Files (x86)\Skype\Plugin Manager\skypePM.exe
C:\Program Files (x86)\UseNeXT\UseNeXT.exe
C:\Program Files (x86)\Kaspersky Lab\Kaspersky Anti-Virus 8.0 for Windows Workstations\avp.exe
C:\Program Files (x86)\Mozilla Firefox\firefox.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 =
R3 - URLSearchHook: (no name) - - (no file)
R3 - URLSearchHook: ICQToolBar - {855F3B16-6D32-4fe6-8A56-BBB695989046} - C:\Program Files (x86)\ICQ6Toolbar\ICQToolBar.dll
F2 - REG:system.ini: UserInit=userinit.exe
O2 - BHO: Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O3 - Toolbar: ICQToolBar - {855F3B16-6D32-4fe6-8A56-BBB695989046} - C:\Program Files (x86)\ICQ6Toolbar\ICQToolBar.dll
O4 - HKLM\..\Run: [P17RunE] RunDll32 P17RunE.dll,RunDLLEntry
O4 - HKLM\..\Run: [CTSysVol] C:\Program Files (x86)\Creative\SB5.1 VX\Surround Mixer\CTSysVol.exe /r
O4 - HKLM\..\Run: [AVP] "C:\Program Files (x86)\Kaspersky Lab\Kaspersky Anti-Virus 8.0 for Windows Workstations\avp.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files (x86)\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files (x86)\iTunes\iTunesHelper.exe"
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Program Files (x86)\DAEMON Tools Lite\daemon.exe" -autorun
O4 - HKCU\..\Run: [Steam] "c:\program files (x86)\steam\steam.exe" -silent
O4 - HKCU\..\Run: [RGSC] C:\Program Files (x86)\Rockstar Games\Rockstar Games Social Club\RGSCLauncher.exe /silent
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [ICQ] "C:\Program Files (x86)\ICQ6.5\ICQ.exe" silent
O4 - HKCU\..\Run: [EA Core] "C:\Program Files (x86)\Electronic Arts\EADM\Core.exe" -silent
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 - Global Startup: Logitech SetPoint.lnk = ?
O8 - Extra context menu item: Add to Anti-Banner - C:\Program Files (x86)\Kaspersky Lab\Kaspersky Anti-Virus 8.0 for Windows Workstations\ie_banner_deny.htm
O9 - Extra button: Web Anti-Virus statistics - {1F460357-8A94-4D71-9CA3-AA4ACF32ED8E} - C:\Program Files (x86)\Kaspersky Lab\Kaspersky Anti-Virus 8.0 for Windows Workstations\scieplgn.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
O10 - Unknown file in Winsock LSP: c:\windows\system32\prxernsp.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\prxerdrv.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\prxerdrv.dll
O13 - Gopher Prefix:
O16 - DPF: {D0C0F75C-683A-4390-A791-1ACFD5599AB8} (Oberon Flash Game Host) - http://icq.oberon-media.com/Gameshell/GameHost/1.0/OberonGameHost.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~2\COMMON~1\Skype\SKYPE4~1.DLL
O20 - AppInit_DLLs: C:\PROGRA~2\KASPER~1\KASPER~1.0FO\adialhk.dll,C:\PROGRA~2\KASPER~1\KASPER~1.0FO\kloehk.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: Apple Mobile Device - Apple Inc. - C:\Program Files (x86)\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Kaspersky Anti-Virus 8.0 (AVP) - Kaspersky Lab - C:\Program Files (x86)\Kaspersky Lab\Kaspersky Anti-Virus 8.0 for Windows Workstations\avp.exe
O23 - Service: Bonjour-Dienst (Bonjour Service) - Apple Inc. - C:\Program Files (x86)\Bonjour\mDNSResponder.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: ICQ Service - Unknown owner - C:\Program Files (x86)\ICQ6Toolbar\ICQ Service.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files (x86)\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPod-Dienst (iPod Service) - Apple Inc. - C:\Program Files (x86)\iPod\bin\iPodService.exe
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: @%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: @%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: TeamViewer 4 (TeamViewer4) - TeamViewer GmbH - C:\Program Files (x86)\TeamViewer\Version4\TeamViewer_Service.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)

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