usavo sempre questo sito per potter avvere una idea di cosa eliminare con hijackthis:
http://hijackthis.de/index.php?langselect=english

ma adesso non si puo usare gratuitamente mi sa
qualcuno puo dare una occhiata al log?:

Logfile of HijackThis v1.98.1
Scan saved at 16.43.39, on 21/09/2004
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\Explorer.EXE
C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\cisvc.exe
C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\Programmi\Norton AntiVirus\AdvTools\NPROTECT.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\Programmi\Norton AntiVirus\SAVScan.exe
C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\TOSHIBA\TME3\Tmesbs32.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Programmi\Symantec\LiveUpdate\ALUNOTIFY.EXE
C:\WINDOWS\system32\cidaemon.exe
C:\Programmi\Analog Devices\SoundMAX\PmProxy.exe
C:\WINDOWS\System32\00THotkey.exe
C:\WINDOWS\system32\TPWRTRAY.EXE
C:\Programmi\TOSHIBA\TME3\TMESBS32.EXE
C:\Programmi\TOSHIBA\TOSHIBA Controls\TFncKy.exe
C:\WINDOWS\system32\TFNF5.exe
C:\Programmi\TOSHIBA\Wireless Hotkey\TosHKCW.exe
C:\Programmi\TOSHIBA\TouchED\TouchED.Exe
C:\Programmi\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
C:\Programmi\Hewlett-Packard\Digital Imaging\Unload\hpqcmon.exe
C:\Programmi\Hewlett-Packard\HP Share-to-Web\hpgs2wnf.exe
C:\Programmi\Logitech\iTouch\iTouch.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\Program Files\WindUpdates\WinUpdt.exe
C:\WINDOWS\System32\cxbsqfoz.exe
C:\Program Files\WindUpdates\WinKA.exe
C:\Programmi\Web_Rebates\WebRebates1.exe
C:\Programmi\Web_Rebates\WebRebates0.exe
C:\PROGRA~1\NORTON~1\navw32.exe
C:\Documents and Settings\Forni\Desktop\HijackThis -- new --.exe
C:\Programmi\MSN Apps\Updater\01.02.3000.1001\it\msnappau.exe
C:\Programmi\Messenger\msmsgs.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.lindice.it/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = localhost
O2 - BHO: MxTargetObj Class - {0000607D-D204-42C7-8E46-216055BF9918} - C:\WINDOWS\mxTarget.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
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Programmi\MSN Apps\ST\01.02.3000.1001\en-xu\stmain.dll
O2 - BHO: NLS UrlCatcher Class - {AEECBFDA-12FA-4881-BDCE-8C3E1CE4B344} - C:\WINDOWS\System32\nvms.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O2 - BHO: CB UrlCatcher Class - {CE188402-6EE7-4022-8868-AB25173A3E14} - C:\WINDOWS\System32\mscb.dll
O2 - BHO: ADP UrlCatcher Class - {F4E04583-354E-4076-BE7D-ED6A80FD66DA} - C:\WINDOWS\System32\msbe.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet
O4 - HKLM\..\Run: [PmProxy] C:\Programmi\Analog Devices\SoundMAX\PmProxy.exe
O4 - HKLM\..\Run: [00THotkey] C:\WINDOWS\System32\00THotkey.exe
O4 - HKLM\..\Run: [000StTHK] 000StTHK.exe
O4 - HKLM\..\Run: [Tpwrtray] TPWRTRAY.EXE
O4 - HKLM\..\Run: [TMESBS.EXE] C:\Programmi\TOSHIBA\TME3\TMESBS32.EXE /Client
O4 - HKLM\..\Run: [TFncKy] TFncKy.exe /Type 28
O4 - HKLM\..\Run: [TFNF5] TFNF5.exe
O4 - HKLM\..\Run: [TosHKCW.exe] "C:\Programmi\TOSHIBA\Wireless Hotkey\TosHKCW.exe"
O4 - HKLM\..\Run: [SynTPLpr] C:\Programmi\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [TouchED] C:\Programmi\TOSHIBA\TouchED\TouchED.Exe
O4 - HKLM\..\Run: [Share-to-Web Namespace Daemon] C:\Programmi\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
O4 - HKLM\..\Run: [CamMonitor] C:\Programmi\Hewlett-Packard\Digital Imaging\Unload\hpqcmon.exe
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Programmi\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Advanced Tools Check] C:\PROGRA~1\NORTON~1\AdvTools\ADVCHK.EXE
O4 - HKLM\..\Run: [WindUpdates] C:\Program Files\WindUpdates\WinUpdt.exe
O4 - HKLM\..\Run: [xvnvbqw] C:\WINDOWS\System32\cxbsqfoz.exe
O4 - HKLM\..\Run: [WebRebates0] "C:\Programmi\Web_Rebates\WebRebates0.exe"
O4 - HKCU\..\Run: [LDM] C:\Programmi\Logitech\Desktop Messenger\8876480\Program\BackWeb-8876480.exe
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Programmi\Logitech\Desktop Messenger\8876480\Program\LDMConf.exe
O4 - Global Startup: EPSON Status Monitor 3 Environment Check 2.lnk = C:\WINDOWS\system32\spool\drivers\w32x86\3\E_SRCV0 2.EXE
O8 - Extra context menu item: &Add animation to IncrediMail Style Box - C:\PROGRA~1\INCRED~1\bin\resources\WebMenuImg.htm
O8 - Extra context menu item: Shorten URL - http://www.cjb.net/menuext.html
O8 - Extra context menu item: Web Rebates - file://C:\Programmi\Web_Rebates\Sy1150\Tp1150\scri1150a.h tm
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: {15AD4789-CDB4-47E1-A9DA-992EE8E6BAD6} - http://public.windupdates.com/get_fi...145ae90fecae62
O17 - HKLM\System\CCS\Services\Tcpip\..\{FC122BCE-96A5-40F5-BCC5-8090EB855F13}: NameServer = 212.216.176.62,212.216.112.112