Ecco fatto, questo il risultato di HijackThis:
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\Explorer.EXE
C:\windows\system\hpsysdrv.exe
C:\Programmi\HP\hpcoretech\hpcmpmgr.exe
C:\WINDOWS\System32\hphmon05.exe
C:\WINDOWS\AGRSMMSG.exe
C:\WINDOWS\system32\ps2.exe
C:\WINDOWS\ALCXMNTR.EXE
C:\Programmi\File comuni\Sonic\Update Manager\sgtray.exe
C:\Programmi\Java\jre1.5.0\bin\jusched.exe
C:\WINDOWS\vsnpstd.exe
C:\Programmi\Messenger Plus! 3\MsgPlus.exe
C:\WINDOWS\system32\rundll32.exe
C:\Programmi\Trust\CnxDslTb.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\iTunes\iTunesHelper.exe
C:\Programmi\QuickTime\qttask.exe
C:\Programmi\iPod\bin\iPodService.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\HP\hpcoretech\comp\hptskmgr.exe
C:\Programmi\HP\Digital Imaging\bin\hpqtra08.exe
C:\PROGRA~1\MSNMES~1\msnmsgr.exe
C:\Programmi\Yahoo!\Messenger\ymsgr_tray.exe
C:\Programmi\HP\Digital Imaging\bin\hpqgalry.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\HP\hpcoretech\comp\hpdarc.exe
C:\Documents and Settings\Proprietario\Desktop\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://ie.redirect.hp.com/svs/rdr?TYPE= ... pf=desktop
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.virgilio.it/home/indexbb.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://ie.redirect.hp.com/svs/rdr?TYPE= ... pf=desktop
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programmi\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: HP View - {B2847E28-5D7D-4DEB-8B67-05D28BCF79F5} - C:\Programmi\HP\Digital Imaging\bin\HPDTLK02.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [HP Component Manager] "C:\Programmi\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [HPHUPD05] c:\Programmi\HP\{45B6180B-DCAB-4093-8EE8-6164457517F0}\hphupd05.exe
O4 - HKLM\..\Run: [HPHmon05] C:\WINDOWS\System32\hphmon05.exe
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet /keeploaded /nodetect
O4 - HKLM\..\Run: [AlcxMonitor] ALCXMNTR.EXE
O4 - HKLM\..\Run: [UpdateManager] "c:\Programmi\File comuni\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programmi\Java\jre1.5.0\bin\jusched.exe
O4 - HKLM\..\Run: [snpstd] C:\WINDOWS\vsnpstd.exe
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Programmi\Messenger Plus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [zSPGuard] c:\programmi\pjw\spguard\spguard.exe /s
O4 - HKLM\..\Run: [trustras] trustras.exe
O4 - HKLM\..\Run: [CnxDslTaskBar] C:\Programmi\Trust\CnxDslTb.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [iTunesHelper] "C:\Programmi\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKCU\..\Run: [BackupNotify] c:\Programmi\HP\Digital Imaging\bin\backupnotify.exe
O4 - HKCU\..\Run: [Acme.PCHButton] C:\PROGRA~1\HPPAVI~1\Pavilion\XPHWWBS4\plugin\bin\PCHButton.exe
O4 - HKCU\..\Run: [Yahoo! Pager] "C:\Programmi\Yahoo!\Messenger\ypager.exe" -quiet
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Programmi\Messenger Plus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [msnmsgr] "C:\PROGRA~1\MSNMES~1\msnmsgr.exe" /background
O4 - Global Startup: Avvio rapido di HP Image Zone.lnk = C:\Programmi\HP\Digital Imaging\bin\hpqthb08.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Programmi\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0\bin\npjpi150.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O15 - Trusted Zone:
http://www.archiviosex.net
O15 - Trusted Zone:
http://www.redfunny.com
O15 - Trusted Zone:
http://www.skymasters.biz
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) -
http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {31F11DFA-3A23-4BC0-89B4-2FB3FB43525B} (Pro_Web016.ProWeb016) -
http://sessogratis.net/ProWeb016.CAB
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) -
http://spaces.msn.com//PhotoUpload/MsnPUpld.cab
O16 - DPF: {8EC18CE2-D7B4-11D2-88C8-006008A717FD} (NCSView Class) -
http://ww3.atlanteitaliano.it/ecwplugins/ncs.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) -
http://messenger.msn.com/download/MsnMe ... loader.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
Ciao e grazie