Prova a fixare queste:
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.abonem.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.abonem.com
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O6 - HKLM\Software\Policies\Microsoft\Internet Explorer\Control Panel present