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<p>harvest email addresses from various sources, and may append copies of themselves to all email sent, or may generate email messages containing copies of themselves as attachments.</p>

<p><big> Detection </big></p>
<p>To avoid detection by users, some viruses employ different kinds of <a href="page.php?w=deception">deception</a>. Some old viruses, especially on the <a href="page.php?w=DOS">DOS</a> platform, make sure that the "last modified" date of a host file stays the same when the file is infected by the virus. This approach does not fool antivirus</p><p>
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