Electrical computers and digital processing systems: support – Computer virus detection by cryptography
Reexamination Certificate
2004-03-08
2008-12-30
Nalven, Andrew L (Department: 2434)
Electrical computers and digital processing systems: support
Computer virus detection by cryptography
C726S024000
Reexamination Certificate
active
07472284
ABSTRACT:
A system for anti-virus processing an email having an executable attachment extracts structural elements of the email and examines the executable attachments for code, data or encoded data that could have created these elements. This is effective to detect at least some mass mailing viruses where the executable attachment creates later generations of the attachment and structural elements such as strings which appear in the later emails are present in the attachment.
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“Postfix Configuration—UCE Controls”, Internet Citation, ′Online! Apr. 13, 2003, pp. 1-12; XP002287121.
Messagelabs Limited
Nalven Andrew L
Nixon & Vanderhye PC
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