nedávno se mi začal zpomalovat PC, Firefox i Chrome mi všechny stránky načítá strašně dlouho (někdy vůbec), u videí z youtube se načte jen kousek, v Gmailu mi to píše "zkontrolujte připojení k internetu" , resetuje se mi QIP, někdy se všechno začne sekat... těžko říct, jestli to nebude připojením, ale na rychlost.cz se mi vypisuje tohle:

Jinak co jsem se díval do správce úloh, občas se tam objeví msiexec.exe a má kolem 40% CPU, ale nevyznám se v tom, takže poprosím o radu.
PC jsem vyčistil CCleanerem a zkontroloval Malwarebytes Anti-malware (0 výsledků).
Takže vás poprosím o kontrolu logu:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:11:11, on 9.4.2012
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP3 (6.00.2900.5512)
Boot mode: Normal
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
F:\Disk F\Petr\Avast\AvastSvc.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\soft602\602updsvc\602updsvc.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Common Files\Nero\Nero BackItUp 4\NBService.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\PnkBstrA.exe
C:\WINDOWS\system32\PnkBstrB.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\system32\PROMon.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\WINDOWS\system32\NMSSvc.exe
C:\Program Files\DivX\DivX Update\DivXUpdate.exe
F:\Disk F\Petr\Avast\avastUI.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
F:\Disk F\Petr\DAEMON Tools Lite\DTLite.exe
C:\Documents and Settings\Petr\Data aplikací\Dropbox\bin\Dropbox.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
F:\Disk F\Firefox\firefox.exe
F:\Disk F\Firefox\plugin-container.exe
F:\Disk F\Firefox\plugin-container.exe
C:\Program Files\CCleaner\CCleaner.exe
C:\Documents and Settings\Petr\Plocha\hijackthis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.centrum.cz/#utm_source=icq&u ... um=generic
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://toolbar.ask.com/toolbarv/askRedi ... t=&gc=1&q=
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,Default_Search_URL = http://toolbar.ask.com/toolbarv/askRedi ... t=&gc=1&q=
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://toolbar.ask.com/toolbarv/askRedi ... t=&gc=1&q=%s
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Odkazy
R3 - URLSearchHook: (no name) - - (no file)
R3 - URLSearchHook: (no name) - {fed66dc5-1b74-4a04-8f5c-15c5ace2b9a5} - (no file)
R3 - URLSearchHook: (no name) - {C94E154B-1459-4A47-966B-4B843BEFC7DB} - (no file)
R3 - URLSearchHook: (no name) - {E312764E-7706-43F1-8DAB-FCDD2B1E416D} - (no file)
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Program Files\AVG\AVG11\Toolbar\IEToolbar.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: AVG Security Toolbar - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - C:\Program Files\AVG\AVG11\Toolbar\IEToolbar.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [PROMon.exe] PROMon.exe
O4 - HKLM\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime -Delay
O4 - HKLM\..\Run: [DivXUpdate] "C:\Program Files\DivX\DivX Update\DivXUpdate.exe" /CHECKNOW
O4 - HKLM\..\Run: [AdobeCS4ServiceManager] "C:\Program Files\Common Files\Adobe\CS4ServiceManager\CS4ServiceManager.exe" -launchedbylogin
O4 - HKLM\..\Run: [avast] "F:\Disk F\Petr\Avast\avastUI.exe" /nogui
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [APSDaemon] "C:\Program Files\Common Files\Apple\Apple Application Support\APSDaemon.exe"
O4 - HKLM\..\Run: [QuickTime Task] "F:\Disk F\Petr\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\RunOnce: [AvgUninstallURL] cmd.exe /c start http://www.avg.cz/cz.special-uninstalla ... VEZPS0MtNg"&"inst=NzYtNTYyNDA1NzQyLVU5MCsxLVRQKzEtWE8zNisxLU4xRCsxLVBMKzktUUlYMSs0LVgyMDEwKzItU1AxKzEtU1VEKzEtUzFJKzEtU1UzKzEtRERUKzQyOTQ5MDIyMjctU1QxMEFQUCsxLUREMTArMQ"&"prod=94"&"ver=10.0.1410
O4 - HKLM\..\RunOnce: [Malwarebytes Anti-Malware] C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe /install /silent
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\Petr\Local Settings\Data aplikací\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [DAEMON Tools Lite] "F:\Disk F\Petr\DAEMON Tools Lite\DTLite.exe" -autorun
O4 - HKCU\..\Run: [Infium] "F:\Disk F\Petr\QIP 2010\qip.exe" /autorun
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'NETWORK SERVICE')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Startup: Dropbox.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xportovat do aplikace Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O18 - Protocol: avgsecuritytoolbar - {F2DDE6B2-9684-4A55-86D4-E255E237B77C} - C:\Program Files\AVG\AVG11\Toolbar\IEToolbar.dll
O23 - Service: 602Updater (602XML Updater) - Software602 a.s. - C:\Program Files\Common Files\soft602\602updsvc\602updsvc.exe
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - AVAST Software - F:\Disk F\Petr\Avast\AvastSvc.exe
O23 - Service: AVG Security Toolbar Service - Unknown owner - C:\Program Files\AVG\AVG11\Toolbar\ToolbarBroker.exe
O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Služba Google Update (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Služba Google Update (gupdatem) (gupdatem) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Nero BackItUp Scheduler 4.0 - Nero AG - C:\Program Files\Common Files\Nero\Nero BackItUp 4\NBService.exe
O23 - Service: Intel(R) NMS (NMSSvc) - Intel Corporation - C:\WINDOWS\system32\NMSSvc.exe
O23 - Service: nProtect GameGuard Service (npggsvc) - Unknown owner - C:\WINDOWS\system32\GameMon.des.exe (file missing)
O23 - Service: PCLEPCI - Pinnacle Systems GmbH - C:\WINDOWS\system32\drivers\pclepci.sys
O23 - Service: PnkBstrA - Unknown owner - C:\WINDOWS\system32\PnkBstrA.exe
O23 - Service: PnkBstrB - Unknown owner - C:\WINDOWS\system32\PnkBstrB.exe
--
End of file - 8440 bytes