Grazie mille.
Ecco il logifle Hijack This:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 11.40.53, on 27/04/2008
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:\Programmi\Windows Defender\MsMpEng.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\Programmi\Apache Group\Apache2\bin\Apache.exe
C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe
C:\Programmi\VIA\RAID\raid_tool.exe
C:\WINDOWS\system32\VTTimer.exe
C:\Programmi\Bonjour\mDNSResponder.exe
C:\WINDOWS\system32\VTtrayp.exe
C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe
C:\Programmi\digicomt\Michelangelo USB ADSL\CnxDslTb.exe
C:\Programmi\MySQL\MySQL Server 5.0\bin\mysqld-nt.exe
C:\Programmi\Apache Group\Apache2\bin\Apache.exe
C:\Programmi\HP\HP Software Update\HPWuSchd2.exe
C:\Programmi\iTunes\iTunesHelper.exe
C:\Programmi\Windows Defender\MSASCui.exe
C:\Programmi\Java\jre1.6.0_03\bin\jusched.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Programmi\File comuni\Real\Update_OB\realsched.exe
C:\Programmi\QuickTime\QTTask.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Messenger\msmsgs.exe
C:\documents and settings\sakura\impostazioni locali\dati applicazioni\baqjbnthy.exe
C:\Programmi\HP\Digital Imaging\bin\hpqtra08.exe
C:\Programmi\Apache Group\Apache2\bin\ApacheMonitor.exe
C:\Programmi\iPod\bin\iPodService.exe
C:\Programmi\HP\Digital Imaging\bin\hpqSTE08.exe
C:\Programmi\HP\Digital Imaging\Product Assistant\bin\hprblog.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Java\jre1.6.0_03\bin\jucheck.exe
C:\Programmi\Adobe\Adobe Dreamweaver CS3\Dreamweaver.exe
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\Programmi\WinRAR\WinRAR.exe
C:\DOCUME~1\Sakura\IMPOST~1\Temp\Rar$EX00.547\Hija ckThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.6.0_03\bin\ssv.dll
O4 - HKLM\..\Run: [RaidTool] C:\Programmi\VIA\RAID\raid_tool.exe
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [VTTrayp] VTtrayp.exe
O4 - HKLM\..\Run: [AVP] "C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe"
O4 - HKLM\..\Run: [CnxDslTaskBar] "C:\Programmi\digicomt\Michelangelo USB ADSL\CnxDslTb.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Programmi\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [iTunesHelper] "C:\Programmi\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [Windows Defender] "C:\Programmi\Windows Defender\MSASCui.exe" -hide
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre1.6.0_03\bin\jusched.exe "
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Programmi\File comuni\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [Adobe_ID0EYTHM] C:\PROGRA~1\FILECO~1\Adobe\ADOBEV~1\Server\bin\VER SIO~2.EXE
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [baqjbnthy] c:\documents and settings\sakura\impostazioni locali\dati applicazioni\baqjbnthy.exe baqjbnthy
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
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\Office\OSA9.EXE
O4 - Global Startup: Monitor Apache Servers.lnk = C:\Programmi\Apache Group\Apache2\bin\ApacheMonitor.exe
O8 - Extra context menu item: Aggiungi ad Anti-Banner - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 6.0\ie_banner_deny.htm
O8 - Extra context menu item: Sothink SWF Catcher - C:\Programmi\File comuni\SourceTec\SWF Catcher\InternetExplorer.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: Anti-virus web - {1F460357-8A94-4D71-9CA3-AA4ACF32ED8E} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 6.0\scieplugin.dll
O9 - Extra button: Sothink SWF Catcher - {E19ADC6E-3909-43E4-9A89-B7B676377EE3} - C:\Programmi\File comuni\SourceTec\SWF Catcher\InternetExplorer.htm
O9 - Extra 'Tools' menuitem: Sothink SWF Catcher - {E19ADC6E-3909-43E4-9A89-B7B676377EE3} - C:\Programmi\File comuni\SourceTec\SWF Catcher\InternetExplorer.htm
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: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {FFBB3F3B-0A5A-4106-BE53-DFE1E2340CB1} (DownloadManager Control) - http://dlm.tools.akamai.com/dlmanage...ex-2.2.1.6.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{F65F0A39-89CC-4969-85FC-7942C301A6FA}: NameServer = 85.37.17.52 85.38.28.92
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Programmi\Lavasoft\Ad-Aware 2007\aawservice.exe
O23 - Service: Adobe Version Cue CS3 - Adobe Systems Incorporated - C:\Programmi\File comuni\Adobe\Adobe Version Cue CS3\Server\bin\VersionCueCS3.exe
O23 - Service: Apache2 - Apache Software Foundation - C:\Programmi\Apache Group\Apache2\bin\Apache.exe
O23 - Service: Kaspersky Internet Security 6.0 (AVP) - Kaspersky Lab - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe
O23 - Service: ##Id_String1.6844F930_1628_4223_B5CC_5BB94B879762# # (Bonjour Service) - Apple Computer, Inc. - C:\Programmi\Bonjour\mDNSResponder.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Programmi\File comuni\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Servizio iPod (iPod Service) - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: MySQL - Unknown owner - C:\Programmi\MySQL\MySQL.exe (file missing)
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe

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