grazie CBBusto

ho scaricato quanto mi hai indicato.
ti allego il log di Adwcleaner.
ho scaricato e fatto girare anche Hijack This, ma non riesco a salvare il log.
fammi sapere se riesci a capire qualcosa comunque.
se sai indicarmi come slvare il log di Hijack This te lo allego.
grazie

Moreno

# AdwCleaner v2.306 - Logfile creato il 01/08/2013 alle 18:36:47
# Aggiornamento 19/07/2013 by Xplode
# Sistema Operativo : Windows 7 Professional Service Pack 1 (64 bits)
# Utente : Moreno - MORENO-W7
# Modalità Avvio : Modalità Normale
# Eseguito da : C:\Users\Moreno\Downloads\adwcleaner.exe
# Opzioni [Elimina]


***** [Servizi] *****


***** [File / Cartelle] *****

Cartella Eliminato : C:\Program Files (x86)\SweetIM
Cartella Eliminato : C:\Users\Moreno\AppData\Roaming\CheckPoint\ZoneAlarm LTD Toolbar
Cartella Eliminato : C:\Users\Moreno\AppData\Roaming\OpenCandy
Cartella Eliminato : C:\Windows\Installer\{C3E85EE9-5892-4142-B537-BCEB3DAC4C3D}

***** [Registro] *****

Chiave Eliminata : HKCU\Software\Headlight
Chiave Eliminata : HKCU\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{EEE6C35C-6118-11DC-9C72-001320C79847}
Chiave Eliminata : HKCU\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{EEE6C35C-6118-11DC-9C72-001320C79847}
Chiave Eliminata : HKLM\Software\Classes\Installer\Features\9EE58E3C298524145B73CBBED3CAC4D3
Chiave Eliminata : HKLM\Software\Classes\Installer\Products\9EE58E3C298524145B73CBBED3CAC4D3
Chiave Eliminata : HKLM\SOFTWARE\Microsoft\Tracing\SweetIM_RASAPI32
Chiave Eliminata : HKLM\SOFTWARE\Microsoft\Tracing\SweetIM_RASMANCS
Chiave Eliminata : HKLM\SOFTWARE\Microsoft\Tracing\SweetPacksUpdateManager_RASAPI32
Chiave Eliminata : HKLM\SOFTWARE\Microsoft\Tracing\SweetPacksUpdateManager_RASMANCS
Chiave Eliminata : HKLM\SOFTWARE\MozillaPlugins\@checkpoint.com/FFApi
Chiave Eliminata : HKLM\SOFTWARE\Wow6432Node\Classes\Interface\{FFB96CC1-7EB3-449D-B827-DB661701C6BB}
Chiave Eliminata : HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{C3E85EE9-5892-4142-B537-BCEB3DAC4C3D}
Chiave Eliminata : HKLM\SOFTWARE\Classes\Interface\{FFB96CC1-7EB3-449D-B827-DB661701C6BB}
Chiave Eliminata : HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ZoneAlarm LTD Toolbar
Valore Eliminata : HKCU\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser [{EEE6C35B-6118-11DC-9C72-001320C79847}]
Valore Eliminata : HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs [C:\Program Files (x86)\SweetIM\Toolbars\Internet Explorer\mgHelperApp.exe]
Valore Eliminata : HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs [C:\Program Files (x86)\SweetIM\Toolbars\Internet Explorer\mgToolbarProxy.dll]

***** [Browser Internet] *****

-\\ Internet Explorer v10.0.9200.16635

[OK] Registro Pulito.

-\\ Mozilla Firefox v22.0 (it)

File : C:\Users\Moreno\AppData\Roaming\Mozilla\Firefox\Profiles\8whga561.default\prefs.js

[OK] File Pulito.

*************************

AdwCleaner[S1].txt - [2684 octets] - [01/08/2013 18:36:47]

########## EOF - C:\AdwCleaner[S1].txt - [2744 octets] ##########