Buonasera,ho fatto la scansione con mbed ha trovato questo "Security.Hijack"
che ho eliminato.Ad ogni buon fine allego il log di hiijack:


Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:59:42, on 14/01/2012
Platform: Unknown Windows (WinNT 6.01.3505 SP1)
MSIE: Internet Explorer v9.00 (9.00.8112.16421)
Boot mode: Normal

Running processes:
C:\Program Files\TuneUp Utilities 2012\TuneUpUtilitiesApp32.exe
C:\Windows\system32\taskhost.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
C:\Program Files\Microsoft Security Client\msseces.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe
C:\Program Files\Windows Sidebar\sidebar.exe
D:\PORTABILI\PORTABLEAPPS\PortableApps\RocketDock\RocketDock.exe
C:\Program Files\Blue Onion Software\Desk Drive\DeskDrive.exe
C:\Program Files\YoWindow\yowindow.exe
C:\Program Files\QuickPopMenu\QuickPopMenu.exe
D:\PORTABILI\PORTABLEAPPS\PortableApps\HiJackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
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 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre6\bin\ssv.dll
O2 - BHO: Windows Live ID Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [RtHDVCpl] C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
O4 - HKLM\..\Run: [MSC] "C:\Program Files\Microsoft Security Client\msseces.exe" -hide -runkey
O4 - HKLM\..\Run: [Malwarebytes' Anti-Malware] "C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe" /starttray
O4 - HKLM\..\Run: [OODefragTray] C:\Program Files\OO Software\Defrag\oodtray.exe
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [RocketDock] "D:\PORTABILI\PORTABLEAPPS\PortableApps\RocketDock\RocketDock.exe"
O4 - HKCU\..\Run: [DeskDriveStartup] C:\Program Files\Blue Onion Software\Desk Drive\DeskDrive.exe
O4 - Startup: QuickPopMenu.lnk = ?
O4 - Startup: YoWindow.lnk = C:\Program Files\YoWindow\yowindow.exe
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MIF5BA~1\Office12\REFIEBAR.DLL
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\microsoft shared\windows live\wlidnsp.dll
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O13 - Gopher Prefix:
O18 - Protocol: wlpg - {E43EF6CD-A37A-4A9B-9E6F-83F89B8E6324} - C:\Program Files\Windows Live\Photo Gallery\AlbumDownloadProtocolHandler.dll
O23 - Service: AMD External Events Utility - AMD - C:\Windows\system32\atiesrxx.exe
O23 - Service: AST Service (astcc) - Nalpeiron Ltd. - C:\Windows\SYSTEM32\astsrv.exe
O23 - Service: EPSON V3 Service4(01) (EPSON_PM_RPCV4_01) - SEIKO EPSON CORPORATION - C:\ProgramData\EPSON\EPW!3 SSRP\E_S40RP7.EXE
O23 - Service: MBAMService - Malwarebytes Corporation - C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
O23 - Service: @C:\Program Files\Nero\Update\NASvc.exe,-200 (NAUpdate) - Nero AG - C:\Program Files\Nero\Update\NASvc.exe
O23 - Service: Nalpeiron Licensing Service (nlsX86cc) - Nalpeiron Ltd. - C:\Windows\system32\nlssrv32.exe
O23 - Service: SwitchBoard - Adobe Systems Incorporated - C:\Program Files\Common Files\Adobe\SwitchBoard\SwitchBoard.exe
O23 - Service: TuneUp Utilities Service (TuneUp.UtilitiesSvc) - TuneUp Software - C:\Program Files\TuneUp Utilities 2012\TuneUpUtilitiesService32.exe

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End of file - 4349 bytes

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Il log è pulito ed hai anche poche voci, molto bene.
Ciao

Speriamo che sia un bel derby, poi vinca il migliore. Io spero Inter
Buon fine settimana anche a te: