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Saturday 27 August 2011

FACTS OF VIRUS

FACTS OF VIRUS . Are you interested , if then only view my page other wise don't waste your time-----


A "virus" is a program that replicates itself and affects other programs. Viruses do not always cause damage and may not display symptoms, but they can, and sometimes they can be very destructive




A "VBS virus" is one that is written using Visual Basic Scripting. Because of a security hole in Outlook and Outlook Express, this virus can be run without clicking on an attachment.

A "macro virus" is written using a macro programming language and then attached to an ordinary document file such as Word or Excel. When the document is run, the virus unloads its damage and copies itself into other documents to continue its spread.

A "boot sector virus" places malicious code into the first sector of a floppy or hard disk. When the floppy or hard disk is run, the virus is run and performs certain instructions that gain control of basic functions of a computer, and do damage.


  





                                   


















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