Ok!! Grazie per i consigli!!!
Appena riesco mi metto all'opera e poi vi dico com'è andata...!!
ciaooooo!!!!

Noooo che brutta notizia!!!
Comunque di solito i programmi sempre aperti che ho sono:

daemoon tools lite
avg anti-virus free
spybot s&D

Utilizzo spesso il gioco the sims 3; quando non gioco con ts3, apro 2/3 programmi al massimo insieme per non far rallentare il computer (windows mega player, google chrome).

Penso che lo riformatterò così almeno gli do un punto e a capo......

bablina

Grazie DonClaudissimo!!!

Allora ti trascrivo i dati del pc:
AMD sempron (tm) SI- 42
2.10 GHz, 764 MB di RAM
estensione indirizzo fisico
111 GB di capacità di memoria di cui 32 GB liberi.

Spero di aver messo tutto quello che serviva..

Grazie, grazie, grazie ancora!!!

Ciao a tutti!!
Sono Barbara e cerco qualcuno che mi analizzi il file log di hijack this.. Ho il computer che è molto lento e con le scansioni non cambia niente comunque. Ho usato l'analisi automatica ma non voglio fare casini cancellando file sbagliati.

Vi metto di seguito il log di hijackthis:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 1.46.12, on 16/09/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
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\Hewlett-Packard\File Sanitizer\HPFSService.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
c:\Programmi\Hewlett-Packard\Drive Encryption\HpFkCrypt.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
c:\Programmi\ActivIdentity\ActivClient\accoca.exe
C:\Programmi\LSI SoftModem\agrsmsvc.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\SearchIndexer.exe
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\PROGRA~1\AVG\AVG8\avgnsx.exe
C:\WINDOWS\system32\ctfmon.exe
C:\PROGRA~1\AVG\AVG8\avgemc.exe
C:\Programmi\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe
C:\Programmi\ActivIdentity\ActivClient\accrdsub.exe
C:\Programmi\Hewlett-Packard\File Sanitizer\CoreShredder.exe
C:\Programmi\AVG\AVG8\avgcsrvx.exe
C:\Programmi\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
C:\Programmi\Analog Devices\Core\smax4pnp.exe
c:\Programmi\ActivIdentity\ActivClient\acevents.exe
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Programmi\Hewlett-Packard\Shared\hpqwmiex.exe
C:\Programmi\Lexmark 2600 Series\ezprint.exe
C:\Programmi\Java\jre6\bin\jusched.exe
C:\Documents and Settings\All Users\Dati applicazioni\Macrovision\FLEXnet Connect\6\ISUSPM.exe
C:\Programmi\DAEMON Tools Lite\daemon.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\Programmi\Hewlett-Packard\HP Quick Launch Buttons\Com4QLBEx.exe
C:\Programmi\Hewlett-Packard\Shared\hpqToaster.exe
c:\Programmi\ATI Technologies\ATI.ACE\Core-Static\MOM.exe
c:\Programmi\ATI Technologies\ATI.ACE\Core-Static\ccc.exe
C:\Programmi\Google\Update\1.2.183.7\GoogleCrashHandler.exe
C:\Programmi\Windows Media Player\wmplayer.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = google.mini20.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = go.microsoft.com/fwlink/?linkdl=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = go.microsoft.com/fwlink/?linkdl=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = go.microsoft.com/fwlink/?linkdl=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = go.micosoft.com/fwlink/linkld=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Adobe PDF Link Helper - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: AskBar BHO - {201f27d4-3704-41d6-89c1-aa35e39143ed} - C:\Programmi\AskBarDis\bar\bin\askBar.dll
O2 - BHO: AVG Safe Search - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Programmi\AVG\AVG8\avgssie.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
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 Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programmi\Google\GoogleToolbarNotifier\5.1.1309.3572\swg.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre6\bin\jp2ssv.dll
O2 - BHO: Credential Manager for HP ProtectTools - {DF21F1DB-80C6-11D3-9483-B03D0EC10000} - c:\Programmi\Hewlett-Packard\IAM\Bin\ItIEAddIn.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: Ask Toolbar - {3041d03e-fd4b-44e0-b742-2d9b88305f98} - C:\Programmi\AskBarDis\bar\bin\askBar.dll
O3 - Toolbar: (no name) - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O3 - Toolbar: DAEMON Tools Toolbar - {32099AAC-C132-4136-9E9A-4E364A424E17} - C:\Programmi\DAEMON Tools Toolbar\DTToolbar.dll
O4 - HKLM..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM..\Run: [QlbCtrl.exe] C:\Programmi\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
O4 - HKLM..\Run: [StartCCC] "c:\Programmi\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM..\Run: [accrdsub] "c:\Programmi\ActivIdentity\ActivClient\accrdsub.exe"
O4 - HKLM..\Run: [PTHOSTTR] c:\Programmi\Hewlett-Packard\HP ProtectTools Security Manager\PTHOSTTR.EXE /Start
O4 - HKLM..\Run: [CognizanceTS] rundll32.exe c:\PROGRA~1\HEWLET~1\IAM\Bin\ASTSVCC.dll,RegisterModule
O4 - HKLM..\Run: [File Sanitizer] C:\Programmi\Hewlett-Packard\File Sanitizer\CoreShredder.exe
O4 - HKLM..\Run: [WatchDog] C:\Programmi\InterVideo\DVD Check\DVDCheck.exe
O4 - HKLM..\Run: [hpWirelessAssistant] C:\Programmi\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
O4 - HKLM..\Run: [Cpqset] C:\Programmi\Hewlett-Packard\Default Settings\cpqset.exe
O4 - HKLM..\Run: [SynTPEnh] C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM..\Run: [SoundMAXPnP] C:\Programmi\Analog Devices\Core\smax4pnp.exe
O4 - HKLM..\Run: [SoundMAX] C:\Programmi\Analog Devices\SoundMAX\Smax4.exe /tray
O4 - HKLM..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM..\Run: [lxdnmon.exe] "C:\Programmi\Lexmark 2600 Series\lxdnmon.exe"
O4 - HKLM..\Run: [EzPrint] "C:\Programmi\Lexmark 2600 Series\ezprint.exe"
O4 - HKLM..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre6\bin\jusched.exe"
O4 - HKCU..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU..\Run: [SpybotSD TeaTimer] C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU..\Run: [NBJ] "C:\Programmi\Ahead\Nero BackItUp\NBJ.exe"
O4 - HKCU..\Run: [ISUSPM] "C:\Documents and Settings\All Users\Dati applicazioni\Macrovision\FLEXnet Connect\6\ISUSPM.exe" -scheduler
O4 - HKCU..\Run: [DAEMON Tools Lite] "C:\Programmi\DAEMON Tools Lite\daemon.exe" -autorun
O4 - HKCU..\Run: [swg] C:\Programmi\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU..\Run: [Google Update] "C:\Documents and Settings\Administrator\Impostazioni locali\Dati applicazioni\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU..\Run: [EA Core] "C:\Programmi\Electronic Arts\EADM\Core.exe" -silent
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: DVD Check.lnk = C:\Programmi\InterVideo\DVD Check\DVDCheck.exe
O4 - Global Startup: Windows Search.lnk = C:\Programmi\Windows Desktop Search\WindowsSearch.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
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
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Programmi\Yahoo!\Common\yinsthelper.dll
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Programmi\AVG\AVG8\avgpp.dll
O20 - AppInit_DLLs: APSHook.dll
O20 - Winlogon Notify: avgrsstarter - C:\WINDOWS\SYSTEM32\avgrsstx.dll
O20 - Winlogon Notify: OneCard - c:\Programmi\Hewlett-Packard\IAM\Bin\ASWLNPkg.dll
O23 - Service: ActivClient Middleware Service (accoca) - ActivIdentity - c:\Programmi\ActivIdentity\ActivClient\accoca.exe
O23 - Service: Agere Modem Call Progress Audio (AgereModemAudio) - Agere Systems - C:\Programmi\LSI SoftModem\agrsmsvc.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: AVG Free8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG Free8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: Com4QLBEx - Hewlett-Packard Development Company, L.P. - C:\Programmi\Hewlett-Packard\HP Quick Launch Buttons\Com4QLBEx.exe
O23 - Service: getPlus(R) Helper - NOS Microsystems Ltd. - C:\Programmi\NOS\bin\getPlus_HelperSvc.exe
O23 - Service: Servizio di Google Update (gupdate1c9e53736bf79d0) (gupdate1c9e53736bf79d0) - Google Inc. - C:\Programmi\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: HP ProtectTools Service - Hewlett-Packard Development Company, L.P - c:\Programmi\Hewlett-Packard\HP ProtectTools Security Manager\PTChangeFilterService.exe
O23 - Service: Drive Encryption Service (HpFkCryptService) - SafeBoot International - c:\Programmi\Hewlett-Packard\Drive Encryption\HpFkCrypt.exe
O23 - Service: File Sanitizer for HP ProtectTools (HPFSService) - Hewlett-Packard - C:\Programmi\Hewlett-Packard\File Sanitizer\HPFSService.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Programmi\Hewlett-Packard\Shared\hpqwmiex.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe

End of file - 10360 bytes

Grazie in anticipo per l'aiuto!!
Barbara