Note that many websites have their own advertising, unrelated to adware.
Uses "viral" marketing techniques to send an email message to all contacts found in the Windows Address Book and Eudora Address Book. The user does not have sufficient opportunity to agree to the End User License Agreement (EULA) displayed on the web page associated with this installer.
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A link to the web page containing an installer for this trojan may arrive in an email message.
The ads are for an application called "ZeroPopups", which changes your homepage and search page in Internet Explorer.
Removal might be possible through the "Add/Remove Programs" functionality in Windows.