Salve,

e' da qualche giorno che quando vado su youtube non funziona bene la barra di scorrimento e si impalla la pagina non permettendomi magari di

tornare alla homepage o altre pagine ..e la sbarra di scorrimento ed i tasti pausa e play appaiono in ritardo mah...

del resto il pc non ha problemi..vi invio il log:

Logfile of Trend Micro HijackThis v2.0.5
Scan saved at 22.04.13, on 05/06/2016
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.19727)

FIREFOX: 46.0.1 (x86 it)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\DellTPad\Apoint.exe
C:\Program Files\DellTPad\ApMsgFwd.exe
C:\Program Files\DellTPad\Apntex.exe
C:\Program Files\DellTPad\HidFind.exe
C:\Windows\System32\igfxpers.exe
C:\Program Files\Microsoft Security Client\msseces.exe
C:\Program Files\IDT\WDM\sttray.exe
C:\Program Files\CCleaner\CCleaner.exe
C:\Program Files\Samsung\Kies\External\FirmwareUpdate\KiesPDLR.exe
C:\Windows\system32\igfxsrvc.exe
C:\Windows\system32\wbem\unsecapp.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Users\d\Desktop\sicurezzapc\HijackThis.exe
C:\Program Files\DAEMON Tools Pro\DTShellHlp.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = www.google.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = www.google.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = www.google.com
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 = www.google.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = www.google.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = www.google.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: 94.76.197.23 www.planetwin365.com
O1 - Hosts: 178.238.138.227 ced.planetwin365.com
O1 - Hosts: 81.2.199.135 agenzia.planetwin365.com
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [Apoint] C:\Program Files\DellTPad\Apoint.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [MSC] "c:\Program Files\Microsoft Security Client\msseces.exe" -hide -runkey
O4 - HKLM\..\Run: [SysTrayApp] C:\Program Files\IDT\WDM\sttray.exe
O4 - HKCU\..\Run: [CCleaner Monitoring] "C:\Program Files\CCleaner\CCleaner.exe" /MONITOR
O4 - HKCU\..\Run: [KiesPDLR] C:\Program Files\Samsung\Kies\External\FirmwareUpdate\KiesPDLR.exe
O8 - Extra context menu item: Aggiungere a AMV/AVI Video Converter... - C:\Program Files\Media Player Utilities 4.45\AMVConverter\grab.html
O8 - Extra context menu item: Aggiungi a PDF esistente - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Aggiungi destinazione link a PDF esistente - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Converti destinazione link in Adobe PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Converti in Adobe PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECapture.html
O20 - Winlogon Notify: GoToAssist - C:\Program Files\Citrix\GoToAssist\514\G2AWinLogon.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\Windows\system32\browseui.dll
O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - C:\Program Files\Common Files\Adobe\ARM\1.0\armsvc.exe
O23 - Service: Adobe Flash Player Update Service (AdobeFlashPlayerUpdateSvc) - Adobe Systems Incorporated - C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe
O23 - Service: Dell Data Vault (DellDataVault) - Dell Inc. - C:\Program Files\Dell\DellDataVault\DellDataVault.exe
O23 - Service: Dell Data Vault Wizard (DellDataVaultWiz) - Dell Inc. - C:\Program Files\Dell\DellDataVault\DellDataVaultWiz.exe
O23 - Service: GoToAssist - Citrix Online, a division of Citrix Systems, Inc. - C:\Program Files\Citrix\GoToAssist\514\g2aservice.exe
O23 - Service: Servizio di Google Update (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Servizio Google Update (gupdatem) (gupdatem) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: MBAMService - Malwarebytes - C:\Program Files\Malwarebytes Anti-Malware\mbamservice.exe
O23 - Service: Mozilla Maintenance Service (MozillaMaintenance) - Mozilla Foundation - C:\Program Files\Mozilla Maintenance Service\maintenanceservice.exe
O23 - Service: ServiceLayer - Nokia - C:\Program Files\PC Connectivity Solution\ServiceLayer.exe
O23 - Service: Skype Updater (SkypeUpdate) - Skype Technologies - C:\Program Files\Skype\Updater\Updater.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - C:\Program Files\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: Dell SupportAssist Agent (SupportAssistAgent) - Dell Inc. - C:\Program Files\Dell\SupportAssistAgent\bin\SupportAssistAgent.exe
O23 - Service: SwitchBoard - Adobe Systems Incorporated - C:\Program Files\Common Files\Adobe\SwitchBoard\SwitchBoard.exe
O23 - Service: Marvell Yukon Service (yksvc) - Unknown owner - RUNDLL32.EXE (file missing)

--
End of file - 6014 bytes

Se non hai messo tu questo indirizzo o non lo conosci: www.planetwin365.com, allora fixa ed elimina le seguenti righe:

O1 - Hosts: 94.76.197.23 www.planetwin365.com
O1 - Hosts: 178.238.138.227 ced.planetwin365.com
O1 - Hosts: 81.2.199.135 agenzia.planetwin365.com
Prova ad aggiornare Java.
Poi fai una scansione con ADWcleaner e con malwarebytes che servono sempre. Ciao