makes a few writes to the REGISTRY, sets the following keys...
HKEY_CURRENT_USER\Software\Microsoft\Int
HKEY_CURRENT_USER\Software\Microsoft\Int
HKEY_CURRENT_USER\Software\Microsoft\Int
HKEY_CURRENT_USER\Software\Microsoft\Int
HKEY_CURRENT_USER\Software\Microsoft\Int
HKEY_OCA_MACHINE\SOFTWARE\Microsoft\Inte
HKEY_USERS\.Default\Software\Microsoft\I
HKEY_USERS\.Default\Software\Microsoft\I
HKEY_USERS\.Default\Software\Microsoft\I
HKEY_USERS\.Default\Software\Microsoft\I
HKEY_USERS\.Default\Software\Microsoft\I
... it creates a few files that are .reg, .hta and 'sp.dll', 'sp.icl' files, merges them with the registry... and starts popping up new windows...
Disable Javascripts by default. Turn it on explicitly on sites you trust.
Somebody really wants hits on their site...