effettuata la pulizia, grazie per avermi postato la procedura.
Posto i log di MBAM e hijack ESEGUITI DOPO LA PROCEDURA INDICATAMI


log di MBAM:
Malwarebytes' Anti-Malware 1.34
Versione del database: 1824
Windows 5.1.2600 Service Pack 3

06/03/2009 18.36.10
mbam-log-2009-03-06 (18-35-58).txt

Tipo di scansione: Scansione completa (C:\|E:\|F:\|)
Elementi scansionati: 148350
Tempo trascorso: 1 hour(s), 6 minute(s), 46 second(s)

Processi delle memoria infetti: 0
Moduli della memoria infetti: 0
Chiavi di registro infette: 2
Valori di registro infetti: 0
Elementi dato del registro infetti: 0
Cartelle infette: 0
File infetti: 1

Processi delle memoria infetti:
(Nessun elemento malevolo rilevato)

Moduli della memoria infetti:
(Nessun elemento malevolo rilevato)

Chiavi di registro infette:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{df780f87-ff2b-4df8-92d0-73db16a1543a} (Adware.PopCap) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{2bf41072-b2b1-21c1-b5c1-0305f4155515} (Trojan.Agent) -> No action taken.

Valori di registro infetti:
(Nessun elemento malevolo rilevato)

Elementi dato del registro infetti:
(Nessun elemento malevolo rilevato)

Cartelle infette:
(Nessun elemento malevolo rilevato)

File infetti:
C:\Programmi\alot\bin\alot.dll (Adware.BHO) -> No action taken.


log di hijack:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 9.30.58, on 07/03/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16791)
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:\Programmi\a-squared Free\a2service.exe
C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
C:\WINDOWS\system32\inetsrv\inetinfo.exe
C:\Programmi\Google\Update\GoogleUpdate.exe
C:\Programmi\Ahead\InCD\InCDsrv.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\Programmi\Eset\nod32krn.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Programmi\Java\jre6\bin\jusched.exe
C:\Programmi\Skype\Phone\Skype.exe
C:\Programmi\Eset\nod32kui.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE
C:\Programmi\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Programmi\OpenOffice.org 2.0\program\soffice.exe
C:\Programmi\OpenOffice.org 2.0\program\soffice.BIN
C:\Programmi\Skype\Plugin Manager\SkypePM.exe
C:\WINDOWS\system32\taskmgr.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Windows Live\Messenger\msnmsgr.exe
C:\Programmi\Windows Live\Messenger\usnsvc.exe
C:\Documents and Settings\certo\Desktop\desk0206\DOCUMENTI\Programmi e documenti Vari\HiJackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
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
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.sweetim.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://it.rd.yahoo.com/customize/ie/defaults/su/msgr8/*http://it.search.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: SWEETIE - {1A0AADCD-3A72-4b5f-900F-E3BB5A838E2A} - (no file)
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: EmailBHO - {647FD14A-C4F1-46F4-8FC3-0B40F54226F7} - C:\Programmi\jZip\WebmailPlugin.dll
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\Google Toolbar\GoogleToolbar.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programmi\Google\GoogleToolbarNotifier\5.0.926.3450\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: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: (no name) - {5AA2BA46-9913-4dc7-9620-69AB0FA17AE7} - (no file)
O3 - Toolbar: (no name) - {BC4FFE41-DE9F-46fa-B455-AAD49B9F9938} - (no file)
O3 - Toolbar: &Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Programmi\Google\Google Toolbar\GoogleToolbar.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [nod32kui] "C:\Programmi\Eset\nod32kui.exe" /WAITSERVICE
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre6\bin\jusched.exe"
O4 - HKCU\..\Run: [Skype] "C:\Programmi\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [nod32kui] "C:\Programmi\Eset\nod32kui.exe" /WAITSERVICE
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: [EPSON Stylus C20 Series (Copia 2)] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /A "C:\WINDOWS\system32\E_S244C.tmp"
O4 - HKCU\..\Run: [swg] C:\Programmi\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
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 - Startup: OpenOffice.org 2.0.lnk = C:\Programmi\OpenOffice.org 2.0\program\quickstart.exe
O4 - Global Startup: EPSON Status Monitor 3 Environment Check 2.lnk = C:\WINDOWS\system32\spool\drivers\w32x86\3\E_SRCV02.EXE
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: (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
O14 - IERESET.INF: START_PAGE_URL=http://www.tele2.it/redirect/dial_up
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} -
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) -
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} -
O16 - DPF: {8FEFF364-6A5F-4966-A917-A3AC28411659} - http://www.mariatv.it/SOPCORE.CAB
O16 - DPF: {CF40ACC5-E1BB-4AFF-AC72-04C2F616BCA7} -
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) -
O16 - DPF: {FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6} (IWinAmpActiveX Class) -
O17 - HKLM\System\CCS\Services\Tcpip\..\{345FCD34-D9B9-468E-BD35-4F6687A4F956}: NameServer = 193.12.150.2 212.247.152.2
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.DLL
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - C:\Programmi\a-squared Free\a2service.exe
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
O23 - Service: Google Update Service (gupdate1c9861a688609ba) (gupdate1c9861a688609ba) - 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: InCD File System Service (InCDsrv) - AHEAD Software - C:\Programmi\Ahead\InCD\InCDsrv.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: NOD32 Kernel Service (NOD32krn) - Eset - C:\Programmi\Eset\nod32krn.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Symantec Core LC - Unknown owner - C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: Utilità di pianificazione di LiveUpdate automatico - Unknown owner - C:\Programmi\Symantec\LiveUpdate\ALUSchedulerSvc.exe (file missing)

fixati ed eliminati, perdona l'ignoranza nn sapevo come fare.
Il pc adesso sembra più veloce e cosa più importante nn mi da problemi all'avvio.
INFINITAMENTE Grazie (e spero di disturbare nuovamente più tardi possibile)

p.s. dimmi se devo postare i log attuali