Are you sure the infection has beeen completely removed? What happens when you right-click on the desktop, select Properties, click on the Desktop Tab and select another theme?
Go to Start > Control Panel > Display. Click on the "Desktop
" tab, then the "Customize Desktop...
Click on the "Web
" tab, then under Web Pages
everything and look for any of the following:
- Security Info
- Warning Message
- Security Desktop
- Warning Homepage
- Desktop Uninstall
If present, select each entry and click the Delete
Also, make sure the Lock desktop items
box is unchecked
. Click "Ok", then "Apply" and "Ok".