How Computer Virus works

Types of Infection

Viruses:
Program runs on real program
Email Viruses:
Program spread via email messages
Trojan Horses:
Program runs on back ground.
Worms:
Program uses networks and security hole.


Other Threats:


Malware – Program which designed to infiltrate the system without the owners consent.

Types of Malware:
Spyware and Adw ....etc

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ABSTRACT
Viruses: A virus is basically an executable file which is designed such
that first of all it should be able to infect documents, then it has to
have the ability to survive by replicating itself and then it should
also be able to avoid detection.
Computer viruses can be classified into several different types.
File or program viruses: They infect program files like files
with extensions like .EXE, .COM, .BIN, .DRV and .SYS. Some file viruses
just replicate whil ....etc

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Here is a very raw/under developed seminar on the topic of operating systems.
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COMPUTER VIRUS AND ANTIVIRUS REPORT


SUMMARY


A Virus is basically an executable file which is designed such that first of all it should be able to infect documents, then; it has to have the ability to survive by replicating itself and to avoid detection. Computer viruses can be classified into several different types:
1. File or program viruses:- they infect program files likes files with extension like .EXE, .COM, .BIN e.t.c. some viruses just replicat ....etc

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The Trojan Horse programs and computer viruses in the real world, cannot be treated as the realizations of turing machines. In this article, the actions of Trojan Horses and viruses in the real world are considered and a minimal framework is described for their modelling for a better understanding. biological metaphors and some similar conventional approaches are shown to be inadequate. Some suggestions for constructing virally-resistant systems are also put forward.
Computer viruses also mimic the behaviour of biological pests. The facili ....etc

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Computer virus


History
Academic work

The first academic work on the theory of computer viruses (although the term computer virus was not invented at that time) was done in 1949 by John von Neumann who held lectures at the University of Illinois about the Theory and Organization of Complicated Automata. The work of von Neumann was later published as the Theory of self-reproducing automata. In his essay von Neumann postulated that a computer program could reproduce.

In 1972 Veith Risak published his article ....etc

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Virus & Worms – Virus Analysis


Spyware Overview
• Spyware is a piece of software that gets installed on computer without your
consent.
• It collects your personal information without you being aware of it.
• Change how your computer or web browser is configured and bombard you with
online advertisements.
• Spyware programs are notorious for being difficult to remove on your own and
slows down your PC.
• A program gets installed in the backg ....etc

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