Ho provato anche VundoFix ma non trova nulla, purtroppo 
 
VundoFix V6.5.4
Checking Java version...
Sun Java not detected
Scan started at 17.12.19 05/07/2007
Listing files found while scanning....
No infected files were found.
Non riesco a cancellare quelle chiavi di registro perché mancano le autorizzazioni:
HKEY_CLASSES_ROOT\Orkvzxxx
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{5DDE76D7-34D8-43E4-B176-0ACE0818E86A}
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{5DDE76D7-34D8-43E4-B176-0ACE0818E86A}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{5DDE76D7-34D8-43E4-B176-0ACE0818E86A}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Orkvzxxx
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5DDE76D7-34D8-43E4-B176-0ACE0818E86A}