molto probabilmente hai a bordo qualche spyware.
scarica Hijack dal sito

http://software.aiutamici.com/software?s=y

leggi le istruzioni e posta il log.

Altri esperti ti guideranno alla soluzione del problema.
ciao

clicca su scheda nella pagina del prodotto...ci sono le istruzioni dettagliate su come fare.....è piuttosto semplice, non temere.

ogfile of Trend Micro HijackThis v2.0.2
Scan saved at 22.59.34, on 26/03/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16608)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\Programmi\Spyware Doctor\pctsAuxs.exe
C:\Programmi\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\Programmi\Google\Google Desktop Search\GoogleDesktop.exe
C:\Programmi\Spyware Doctor\pctsTray.exe
C:\Programmi\Spyware Doctor\pctsSvc.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Windows Live\Messenger\MsnMsgr.Exe
C:\PROGRA~1\MI3AA1~1\wcescomm.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\PROGRA~1\MI3AA1~1\rapimgr.exe
C:\Programmi\Spyware Terminator\sp_rsser.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Google\Google Desktop Search\GoogleDesktop.exe
C:\Programmi\LG PC Suite\LG PC Sync\LGSyncManager.exe
C:\Programmi\Hamachi\hamachi.exe
C:\WINDOWS\System32\alg.exe
C:\Programmi\Mozilla Firefox\firefox.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.crawler.com/search/dispatcher.aspx?tp=aus&qkw=%s&tbid=61005
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.rememberhomepage.com/?cm=441398&lt=1&it=2008-03-15%2016%3A30%3A35&dt=2008-03-23%2021%3A34%3A27&q=http://www.tiscali.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://www.crawler.com/search/ie.aspx?tb_id=61005
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,CustomizeSearch = http://dnl.crawler.com/support/sa_customize.aspx?TbId=61005
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://www.forospyware.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.crawler.com/search/ie.aspx?tb_id=61005
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://dnl.crawler.com/support/sa_customize.aspx?TbId=61005
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = \blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: (no name) - {1CB20BF0-BBAE-40A7-93F4-6435FF3D0411} - C:\Programmi\Crawler\Toolbar\ctbr.dll
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: (no name) - {1CB20BF0-BBAE-40A7-93F4-6435FF3D0411} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O2 - BHO: (no name) - {6860A44B-5D3E-433D-A7B5-D517F810D0E7} - C:\Programmi\NetProject\sbmdl.dll (file missing)
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar1.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programmi\Google\GoogleToolbarNotifier\2.1.1119.1736\swg.dll
O2 - BHO: (no name) - {E2F8F7C7-954D-4336-BA99-27BFBEB73DAF} - C:\WINDOWS\system32\gebxwts.dll
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Programmi\Canon\Easy-WebPrint\Toolband.dll
O3 - Toolbar: Toolbar &Crawler - {4B3803EA-5230-4DC3-A7FC-33638F3D3542} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar1.dll
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Programmi\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\Run: [Google Desktop Search] "C:\Programmi\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [ISTray] "C:\Programmi\Spyware Doctor\pctsTray.exe"
O4 - HKLM\..\RunServices: [w] C:\WINDOWS\system32\w.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Programmi\Windows Live\Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [H/PC Connection Agent] "C:\PROGRA~1\MI3AA1~1\wcescomm.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [swg] C:\Programmi\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKLM\..\Policies\Explorer\Run: [some] C:\Programmi\NetProject\scit.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (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: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'Default user')
O4 - .DEFAULT User Startup: Pin.lnk = C:\hp\bin\CLOAKER.EXE (User 'Default user')
O4 - Startup: hamachi.lnk = C:\Programmi\Hamachi\hamachi.exe
O4 - Startup: Zapu Acceleration Engine.lnk = C:\Programmi\Zapu\Zapu\wincm.exe
O4 - Global Startup: LG SyncManager.lnk = ?
O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx
O8 - Extra context menu item: Aggiungi all'elenco di stampa Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Resource.dll/RC_AddToList.html
O8 - Extra context menu item: Anteprima Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Resource.dll/RC_Preview.html
O8 - Extra context menu item: Crawler Search - tbr:iemenu
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Stampa ad alta velocità Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Resource.dll/RC_HSPrint.html
O8 - Extra context menu item: Stampa Easy-WebPrint - res://C:\Programmi\Canon\Easy-WebPrint\Resource.dll/RC_Print.html
O9 - Extra button: Inserisci blog - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: Inserisci &blog in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Create Mobile Favorite - {2EAF5BB1-070F-11D3-9307-00C04FAE2D4F} - C:\PROGRA~1\MI3AA1~1\INetRepl.dll
O9 - Extra button: (no name) - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\PROGRA~1\MI3AA1~1\INetRepl.dll
O9 - Extra 'Tools' menuitem: Create Mobile Favorite... - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\PROGRA~1\MI3AA1~1\INetRepl.dll
O9 - Extra button: (no name) - {9034A523-D068-4BE8-A284-9DF278BE776E} - http://www.safeiegate.com/redirect.php (file missing)
O9 - Extra 'Tools' menuitem: IE Anti-Spyware - {9034A523-D068-4BE8-A284-9DF278BE776E} - http://www.safeiegate.com/redirect.php (file missing)
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Guida alla connessione - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm (file missing)
O9 - Extra 'Tools' menuitem: Guida alla connessione - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm (file missing)
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O14 - IERESET.INF: START_PAGE_URL=http://www.google.com
O17 - HKLM\System\CCS\Services\Tcpip\..\{02287719-5B8E-459D-AD5F-2E05E840672F}: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CCS\Services\Tcpip\..\{2F096143-B6B2-40F0-9B18-8D0C8DE7CFB7}: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CCS\Services\Tcpip\..\{540CBAF3-42EF-4025-9010-86341486B9B7}: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CCS\Services\Tcpip\..\{6610B93B-FABA-4E4D-830B-73E41592D355}: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CCS\Services\Tcpip\..\{EC1D0A81-2E9B-4D2A-B240-A03B295571DC}: NameServer = 213.205.36.70 213.205.32.70
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CS1\Services\Tcpip\..\{02287719-5B8E-459D-AD5F-2E05E840672F}: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CS2\Services\Tcpip\..\{02287719-5B8E-459D-AD5F-2E05E840672F}: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CS3\Services\Tcpip\Parameters: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CS3\Services\Tcpip\..\{02287719-5B8E-459D-AD5F-2E05E840672F}: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: NameServer = 208.67.220.220,208.67.222.222
O18 - Protocol: tbr - {4D25FB7A-8902-4291-960E-9ADA051CFBBF} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O20 - AppInit_DLLs: C:\PROGRA~1\Google\GOOGLE~4\GOEC62~1.DLL
O20 - Winlogon Notify: gebxwts - C:\WINDOWS\SYSTEM32\gebxwts.dll
O23 - Service: Print Spooler Service (aopdjeeyer) - Unknown owner - C:\WINDOWS\system32\w.exe (file missing)
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Programmi\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: GoogleDesktopManager - Google - C:\Programmi\Google\Google Desktop Search\GoogleDesktop.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Programmi\Spyware Doctor\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Programmi\Spyware Doctor\pctsSvc.exe
O23 - Service: Spyware Terminator Realtime Shield Service (sp_rssrv) - Crawler.com - C:\Programmi\Spyware Terminator\sp_rsser.exe

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End of file - 11799 bytes

si sebastian adesso devi aspettare che qualcuno tra roselli p2 r 16 lo guardi e ti dica se è tutto ok!