Ciao a tutti, da alcuni giorni ho problemi con il PC, che é diventato molto più lento, immagino a causa di virus e simili...
Ho fatto uno scan con vari antivirus ma non han trovato niente, poi ho provato con Hijackthis ed ecco il logfile.
Qualcuno può aiutarmi?

Grazie!

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 11.13.42, on 31/12/2008
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:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\a-squared Free\a2service.exe
C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\RTHDCPL.EXE
C:\Programmi\Labtec\Mouse\2.1\moffice.exe
C:\Programmi\Labtec\Media Keyboard\V5.0\KbdAp32A.exe
C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe
C:\Programmi\Windows Live\Messenger\MsnMsgr.Exe
C:\Programmi\WinZip\WZQKPICK.EXE
C:\Programmi\Labtec\Mouse\2.1\MOUSE32A.EXE
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\File comuni\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\Programmi\Windows Live\Messenger\usnsvc.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Microsoft Office\OFFICE11\WINWORD.EXE
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\Dani\Impostazioni locali\Temp\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.hotmail.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: (no name) - {024d97a9-fe67-770b-6a45-11cd95bef498} - (no file)
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) - {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\3.1.807.1746\swg.dll
O2 - BHO: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Programmi\Windows Live Toolbar\msntb.dll
O2 - BHO: (no name) - {FE33FE17-C4C4-76FC-BCE5-F4481DD93C05} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar1.dll
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Programmi\Windows Live Toolbar\msntb.dll
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [FLMOFFICE4DMOUSE] C:\Programmi\Labtec\Mouse\2.1\moffice.exe
O4 - HKLM\..\Run: [LWBKEYBOARD] C:\Programmi\Labtec\Media Keyboard\V5.0\KbdAp32A.exe
O4 - HKLM\..\Run: [AVP] "C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe"
O4 - HKCU\..\Run: [MsnMsgr] "C:\Programmi\Windows Live\Messenger\MsnMsgr.Exe" /background
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 - Global Startup: WinZip Quick Pick.lnk = C:\Programmi\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: &Windows Live Search - res://C:\Programmi\Windows Live Toolbar\msntb.dll/search.htm
O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx
O8 - Extra context menu item: Aggiungi ad Anti-Banner - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 7.0\ie_banner_deny.htm
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Web Anti-Virus - {1F460357-8A94-4D71-9CA3-AA4ACF32ED8E} - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 7.0\SCIEPlgn.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
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: {BFF1950D-B1B4-4AE8-B842-B2CCF06D9A1B} (Zylom Games Player) - http://game14.zylom.com/activex/zylomgamesplayer.cab
O20 - AppInit_DLLs: C:\PROGRA~1\KASPER~1\KASPER~1.0\adialhk.dll
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - C:\Programmi\a-squared Free\a2service.exe
O23 - Service: Kaspersky Internet Security 7.0 (AVP) - Kaspersky Lab - C:\Programmi\Kaspersky Lab\Kaspersky Internet Security 7.0\avp.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe

--
End of file - 5392 bytes

Il log non presenta anomalie.
Prova a fare una scansione con Malwarebytes:
Scarica ed installa MalwareBytes:
clicca qui per il download : http://www.malwarebytes.org/
Prima di fare la scansione AGGIORNALO.
Esegui una scansione completa del sistema e, una volta terminata la scansione,posta il log che verrà rilasciato in questa discussione.