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BubbleBoy virusAn email virus launched in November 1999 that affected English and Spanish versions of Microsoft Outlook running with Windows 98 or 2000 and Internet Explorer 5. It did not do any harm, but sent out an email to everyone in the address list, which may have caused a mail storm in certain networks. The virus took advantage of a loophole in Internet Explorer 5 that allows an HTML page or an HTML email message to write files without passing through the required authorization (ActiveX authorization).
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