Questo è quello che mi avete chiesto, spero possiate aiutarmi:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 15.36.11, on 06/09/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\explorer.exe
C:\WINDOWS\system32\spoolw.exe
C:\WINDOWS\system32\igfxsvc.exe
C:\PROGRA~1\ALICET~1\SMARTB~1\MotiveSB.exe
C:\WINDOWS\system32\RunDll32.exe
C:\WINDOWS\system32\RunDLL32.exe
C:\Programmi\Microsoft Office\Office12\GrooveMonitor.exe
C:\WINDOWS\system32\Launcher.exe
C:\Programmi\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Messenger\msmsgs.exe
C:\WINDOWS\system32\spoolw.exe
C:\WINDOWS\system32\igfxsvc.exe
C:\Programmi\Microsoft Office\Office12\ONENOTEM.EXE
C:\Programmi\Alice ti aiuta\bin\mpbtn.exe
C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\iPod\bin\iPodService.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Star Downloader\stardown.exe
C:\Download\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = 127.0.0.1
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: (no name) - {9CB65206-89C4-402c-BA80-02D8C59F9B1D} - C:\Programmi\AskTBar\SrchAstt\1.bin\A5SRCHAS.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: EWPBrowseObject Class - {68F9551E-0411-48E4-9AAF-4BC42A6A46BE} - C:\Programmi\Canon\Easy-WebPrint\EWPBrowseLoader.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~1\MICROS~2\Office12\GRA8E1~1.DLL
O2 - BHO: Ask Search Assistant BHO - {9CB65201-89C4-402c-BA80-02D8C59F9B1D} - C:\Programmi\AskTBar\SrchAstt\1.bin\A5SRCHAS.DLL
O2 - BHO: Ask Toolbar BHO - {FE063DB1-4EC0-403e-8DD8-394C54984B2C} - C:\Programmi\AskTBar\bar\1.bin\ASKTBAR.DLL
O2 - BHO: (no name) - {FFFFFEF0-5B30-21D4-945D-000000000000} - C:\PROGRA~1\STARDO~1\SDIEInt.dll
O3 - Toolbar: Ask Toolbar - {FE063DB9-4EC0-403e-8DD8-394C54984B2C} - C:\Programmi\AskTBar\bar\1.bin\ASKTBAR.DLL
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Programmi\Canon\Easy-WebPrint\Toolband.dll
O4 - HKLM\..\Run: [SiSUSBRG] C:\WINDOWS\SiSUSBrg.exe
O4 - HKLM\..\Run: [Motive SmartBridge] C:\PROGRA~1\ALICET~1\SMARTB~1\MotiveSB.exe
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [GrooveMonitor] "C:\Programmi\Microsoft Office\Office12\GrooveMonitor.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [RavAV] C:\WINDOWS\RavMonE.exe
O4 - HKLM\..\Run: [Easy-PrintToolBox] C:\Programmi\Canon\Easy-PrintToolBox\BJPSMAIN.EXE /logon
O4 - HKLM\..\Run: [PrimaLauncher] C:\WINDOWS\system32\Launcher.exe
O4 - HKLM\..\Run: [iTunesHelper] "C:\Programmi\iTunes\iTunesHelper.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Programmi\File comuni\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [ScaricaMP3] C:\Documents and Settings\Family\Dati applicazioni\ScaricaMP3[1].exe t
O4 - HKCU\..\Run: [spoolw] C:\WINDOWS\system32\spoolw.exe
O4 - HKCU\..\Run: [igfxsvc] C:\WINDOWS\system32\igfxsvc.exe
O4 - Startup: Ritaglio schermata e avvio di OneNote 2007.lnk = C:\Programmi\Microsoft Office\Office12\ONENOTEM.EXE
O4 - Startup: Adobe Gamma.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Startup: ueg.exe
O4 - Startup: ygduyd.exe
O4 - Startup: imfe.exe
O4 - Global Startup: Alice ti aiuta.lnk = C:\Programmi\Alice ti aiuta\bin\matcli.exe
O8 - Extra context menu item: Aggiungi all'elenco di stampa Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Toolband.dll/RC_AddToList.html
O8 - Extra context menu item: Anteprima Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Toolband.dll/RC_Preview.html
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Salva oggetto con Star Downloader - C:\Programmi\Star Downloader\sdie.htm
O8 - Extra context menu item: Stampa ad alta velocità Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Toolband.dll/RC_HSPrint.html
O8 - Extra context menu item: Stampa Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Toolband.dll/RC_Print.html
O9 - Extra button: (no name) - {16930DCA-0910-4C00-86FF-0C73872D4ABA} - javascript:window.location.href="http://www.scaricandomp3.com/link/" (file missing)
O9 - Extra 'Tools' menuitem: Scaricando MP3 - {16930DCA-0910-4C00-86FF-0C73872D4ABA} - javascript:window.location.href="http://www.scaricandomp3.com/link/" (file missing)
O9 - Extra button: Invia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: I&nvia a OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra button: Scaricando MP3 - {810B72CB-566A-409B-B6A3-31F720C16FAE} - C:\WINDOWS\system32\Scaricando MP3 (file missing)
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {A2199168-22AC-44A3-BA5F-8A83E693FEBF} - javascript:window.location.href="http://www.cercasulweb.com/itmp3/" (file missing)
O9 - Extra 'Tools' menuitem: Cersa Sul Web - {A2199168-22AC-44A3-BA5F-8A83E693FEBF} - javascript:window.location.href="http://www.cercasulweb.com/itmp3/" (file missing)
O9 - Extra button: ScaricaMP3 - {EF6D6AE3-2625-40D6-A5AB-920DFD2DAF8C} - C:\Documents and Settings\Family\Dati applicazioni\ScaricaMP3[1].exe (file missing)
O9 - Extra button: Cersa Sul Web - {F4445FEB-6D20-47CB-9ACF-9D142A7F680A} - C:\WINDOWS\system32\Cersa Sul Web (file missing)
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
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) -
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) -
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) -
O16 - DPF: {7FC1B346-83E6-4774-8D20-1A6B09B0E737} (Windows Live Photo Upload Control) -
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) -
O17 - HKLM\System\CS2\Services\Tcpip\..\{34044B93-3885-45B6-89D5-EFD227FF9DF7}: NameServer = 85.37.17.11 85.38.28.69
O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\PROGRA~1\MICROS~2\Office12\GR99D3~1.DLL
O23 - Service: Adobe LM Service - Adobe Systems - C:\Programmi\File comuni\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Servizio iPod (iPod Service) - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: NMIndexingService - Unknown owner - C:\Programmi\File comuni\Ahead\Lib\NMIndexingService.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe

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