Questo è il log di HiJackThis:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 01:23:51, on 31/12/2013
Platform: Unknown Windows (WinNT 6.01.3505 SP1)
MSIE: Internet Explorer v9.00 (9.00.8112.16490)
Boot mode: Normal
Running processes:
C:\Program Files (x86)\NortonInstaller\{0C55C096-0F1D-4F28-AAA2-85EF591126E7}\NIS\A5E82D02\17.0.0.136\InstStub.exe
C:\Program Files (x86)\Common Files\LightScribe\LightScribeControlPanel.exe
C:\Program Files (x86)\Hewlett-Packard\HP Advisor\HPAdvisor.exe
C:\Program Files (x86)\Hewlett-Packard\HP Quick Launch Buttons\QLBCtrl.exe
C:\Program Files (x86)\Hp\HP Software Update\hpwuschd2.exe
C:\Program Files (x86)\Alice ti aiuta\McciTrayApp.exe
C:\Program Files (x86)\Common Files\Nikon\Monitor\NkMonitor.exe
C:\Program Files (x86)\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe
C:\Program Files\Alwil Software\Avast5\AvastUI.exe
C:\Program Files (x86)\Hewlett-Packard\Shared\hpqToaster.exe
C:\Windows\SysWow64\Macromed\Flash\FlashUtil10c.ex e
C:\Program Files (x86)\Trend Micro\HijackThis\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.uk.msn.com/HPCON/6
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://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.uk.msn.com/HPCON/6
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://g.uk.msn.com/HPCON/6
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: Zonealarm Helper Object - {2A841F7A-A014-4DA5-B6D9-8B913DFB7A8C} - C:\Program Files (x86)\Check Point Software Technologies LTD\zonealarm\1.8.3.16\bh\zonealarm.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Symantec NCO BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - C:\Program Files (x86)\Norton Internet Security\Engine\17.0.0.136\coIEPlg.dll
O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\Program Files (x86)\Norton Internet Security\Engine\17.0.0.136\IPSBHO.DLL
O2 - BHO: ZoneAlarm Do Not Track - {6E45F3E8-2683-4824-A6BE-08108022FB36} - C:\Program Files (x86)\DoNotTrackPlus\IE\DNTPAddon.dll
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files (x86)\Java\jre7\bin\ssv.dll
O2 - BHO: ZoneAlarm Toolbar Registrar - {8A4A36C2-0535-4D2C-BD3D-496CB7EED6E3} - C:\Program Files\CheckPoint\ZAForceField\WOW64\TrustChecker\b in\TrustCheckerIEPlugin.dll
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\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 (x86)\Java\jre7\bin\jp2ssv.dll
O2 - BHO: HP Network Check Helper - {E76FD755-C1BA-4DCB-9F13-99BD91223ADE} - C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\HPNetworkCheckP lugin.dll
O3 - Toolbar: Norton Toolbar - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - C:\Program Files (x86)\Norton Internet Security\Engine\17.0.0.136\coIEPlg.dll
O3 - Toolbar: ZoneAlarm Toolbar - {EE2AC4E5-B0B0-4EC6-88A9-BCA1A32AB107} - C:\Program Files\CheckPoint\ZAForceField\WOW64\TrustChecker\b in\TrustCheckerIEPlugin.dll
O3 - Toolbar: ZoneAlarm Security Toolbar - {438FAE3E-BDEF-44D3-AB8B-0C7C8350DF59} - C:\Program Files (x86)\Check Point Software Technologies LTD\zonealarm\1.8.3.16\zonealarmTlbr.dll
O4 - HKLM\..\Run: [QlbCtrl.exe] C:\Program Files (x86)\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
O4 - HKLM\..\Run: [NortonOnlineBackupReminder] "C:\Program Files (x86)\Symantec\Norton Online Backup\Activation\NobuActivation.exe" UNATTENDED
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Easybits Recovery] C:\Program Files (x86)\EasyBits For Kids\ezRecover.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files (x86)\Hp\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [WirelessAssistant] C:\Program Files (x86)\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
O4 - HKLM\..\Run: [AliceRV_McciTrayApp] C:\Program Files (x86)\Alice ti aiuta\McciTrayApp.exe
O4 - HKLM\..\Run: [avast5] "C:\Program Files\Alwil Software\Avast5\avastUI.exe" /nogui
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files (x86)\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [Nikon Transfer Monitor] C:\Program Files (x86)\Common Files\Nikon\Monitor\NkMonitor.exe
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files (x86)\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [AvastUI.exe] "C:\Program Files\Alwil Software\Avast5\AvastUI.exe" /nogui
O4 - HKLM\..\Run: [Magic Desktop for HP notification] "C:\ProgramData\Easybits Magic Desktop for HP\mdhpSUN.exe"
O4 - HKLM\..\RunOnce: [20131224] C:\Program Files\Alwil Software\Avast5\setup\emupdate\495af1cb-cc63-41dc-9cd6-d592d01f13c2.exe /check
O4 - HKLM\..\RunOnce: [Malwarebytes Anti-Malware] C:\Program Files (x86)\Malwarebytes' Anti-Malware\mbamgui.exe /install /silent
O4 - HKCU\..\Run: [LightScribe Control Panel] C:\Program Files (x86)\Common Files\LightScribe\LightScribeControlPanel.exe -hidden
O4 - HKCU\..\Run: [HPADVISOR] C:\Program Files (x86)\Hewlett-Packard\HP Advisor\HPAdvisor.exe view=DOCKVIEW
O4 - HKCU\..\Run: [SUPERAntiSpyware] C:\Program Files\SUPERAntiSpyware\SUPERAntiSpyware.exe
O4 - HKCU\..\Run: [Facebook Update] "C:\Users\Alfredo\AppData\Local\Facebook\Update\Fa cebookUpdate.exe" /c /nocrashserver
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\RunOnce: [SPReview] "C:\Windows\System32\SPReview\SPReview.exe" /sp:1 /errorfwlink:"http://go.microsoft.com/fwlink/?LinkID=122915" /build:7601 (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [SPReview] "C:\Windows\System32\SPReview\SPReview.exe" /sp:1 /errorfwlink:"http://go.microsoft.com/fwlink/?LinkID=122915" /build:7601 (User 'Default user')
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files (x86)\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~2\MICROS~4\Office12\EXCEL.EXE/3000
O9 - Extra button: Inserisci blog - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: Inserisci &blog in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: @C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\HPNetworkCheckP lugin.dll,-103 - {25510184-5A38-4A99-B273-DCA8EEF6CD08} - C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\NCLauncherFromI E.exe
O9 - Extra 'Tools' menuitem: @C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\HPNetworkCheckP lugin.dll,-102 - {25510184-5A38-4A99-B273-DCA8EEF6CD08} - C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\NCLauncherFromI E.exe
O9 - Extra button: Invia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~4\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: I&nvia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~4\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\MICROS~4\Office12\REFIEBAR.DLL