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    Solutions to Computer Viruses

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    Solutions to Computer Viruses Table Of Contents I Intro II Computer Virus Components a.Worms b.Trojan horses c.Logic bombs III      Types of Viruses a.Boot sector virus b.File virus c.Macro virus d.Multipartite virus e.Polymorphic virus f.Stealth virus IV How Viruses Work a.Virus introduced to system b.Trojan activated c.Logic bomb activated d.Destructive part of virus activated V Most Common Viruses a.Jerusalem virus b.Cascade virus c.Brain virus d.Italian virus

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    and Marburg viruses are extremely lethal viruses that have placed repugnant thoughts on the minds of many people that have any background knowledge on this field of viral infections. Where does it come from? Where does it hide? What could it do to me? As these questions burn holes in the minds of many people, something should be done to learn more about these horrendous viruses. People sometimes become scared stiff from the thought of the bone-chilling effects from these viruses, and had good

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    Computer Viruses

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    Computer Viruses Computer viruses may seem mysterious, even frightening, but are actually quite easy to understand. I’ll try to shed some light on: how viruses work, what they really are, and some steps you can take to keep you and your information safe. Viruses are simple, once you understand what they can and can’t do; it’ll be that much easier to protect against them. Do you have anti-virus software on your computer? You should. If you don’t get some, if you do, why should you

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    Computer Viruses

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    level computer...i got a 95% on it...hopefully it willhelp someone. Protection Against Viruses for All The word virus can be very disheartening, especially when computers areinvolved. A virus is composed of instructions hidden inside a program. Theseinstructions copy themselves to other programs, a nd the cycle continuesspreading. Fortunately, help is available; antivirus software is available toanyone. "Viruses first appeared in 1985. Then, they were largely created inuniversity laboratories by mostly

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    Computer Viruses

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    vulnerabilities. Today, computer systems are under attack from a multitude of sources. These range from malicious code, such as viruses and worms, to human threats, such as hackers and phone "phreaks." These attacks target different characteristics of a system. This leads to the possibility that a particular system is more susceptible to certain kinds of attacks. Malicious code, such as viruses and worms, attack a system in one of two ways, either internally or externally.

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    downloaded over a network, or by the installation of new software or floppy disks that are infected with viruses as well as email attachments. Some viruses are only pranks, and perform harmless actions like displaying a screen with a joke message on it. Others can destroy files or wipe out a hard drive. Why Do People Write Computer Viruses? Some general reasons are to experiment how to write viruses or to test their programming talent. Some get a kick out of seeing how the virus spreads, and some do

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    Computer Viruses

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    other that may be only a slight aggravation. Some viruses have been known to do nothing more than put a large happy face on your computer screen (Berger). There are different types of viruses that can infect different parts of system. Some viruses are harmless that a computer user might not notice for years. Sometimes viruses might cause random damage to data files and over a long period of time they might destroy files and disk (Hanhisalo). Boot viruses are infected floppy disk that boot records or

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    Computer Viruses

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    Computer Viruses Explain the difference between viruses, worms and Trojan horses in the context of computer and data security. Discuss the measures that need to be taken in order to maintain security. There is a type of computer program that is designed and written to destroy, alter or damage data stored on computers without your knowledge or permission. These are some of the problems that these programs cause ? Your computer displays annoying messages ? Your computer develops strange visual and

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    computer viruses

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    instructions to do something abnormal. Sometimes theEffects of a computer virus can be harmless. But sometimes the effects of aComputer virus can be dangerous. But whichever way you look at it they stillCause problems. There are many kinds of computer viruses. Three of the mostCommon are the time kill, the logic kill and the Trojan horse. The time kill isA virus triggered by the computers clock reaching a certain date and time (oftenFriday the thirteenth). The logic kill is a virus triggered by a certain

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    Computer Viruses

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    Computer Viruses A virus is a program that copies itself without the knowledge of the computer user. Typically, a virus spreads from one computer to another by adding itself to an existing piece of executable code so that it is executed when its host code is run. If a virus if found, you shouldn't panic or be in a hurry, and you should work systematically. Don't rush! A Viruse may be classified by it's method of concealment (hiding). Some are called stealth viruses because of the way that they

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    Computer Viruses

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    A computer virus is a relatively small program that attaches itself to data and program files before it delivers its malicious act. There are many distinct types of viruses and each one has a unique characteristic. Viruses are broken up into to main classes, file infectors and system or boot-record infectors. A file infector attaches to ordinary programs usually affecting .COM and .EXE files. These two files are subject to infection though some can infect any program from which execution is requested

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    Smallpox Viruses

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    For approximately three-thousand years, smallpox has ravaged and plagued the four corners of the globe. In fact, in the 17 th and 18 th centuries, it was claimed to be the most infectious disease in the West, with an astounding 90% mortality rate in America. It wasn't until 1796, with English surgeon Edward Jenner's smallpox vaccination, that the world saw relief from this devastating virus. However, even with this inoculation in use, the world continued to witness death from both the virus and the

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    Viruses: Complex Molecules or Simple Life Forms? Viruses have been defined as "entities whose genomes are elements of nucleic acid that replicate inside living cells using the cellular synthetic machinery, and cause the synthesis of specialised elements that can transfer the genome to other cells." They are stationaryand are unable to grow. Because of all these factors, it is debatable whether viruses are the most complex of molecules or the simplest life forms. While the definition of living organisms

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    Viruses and Internet Security

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    Viruses and Internet Security Since the creation and development of the Internet, hackers and intelligent software developers have been able to spread viruses that cause great harm to corporations and households. The Internet has been the gateway for hackers into their journey of obstruction. For example, through the loopholes of Microsoft’s IIS services on its server operating system packages, hackers have been able to open “backdoors” into some of the most complex intranet firewall protected

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    Computer Viruses and their Effects on your PC Table of Contents What is a Virus? .............................................1 HOW A VIRUS INFECTS YOUR SYSTEM: .............................2 HOW DOES A VIRUS SPREAD? .....................................3 BIGGEST MYTH: "I BUY ALL OF MY PROGRAMS ON CD ROM FROM THE STORE". STORE BOUGHT SOFTWARE NEVER CONTAINS VIRUSES.... 3 INFECTION (DAMAGES) ..........................................4 PROTECT YOUR COMPUTER, NOW!! ..............................

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    Computer Viruses and their Effects on the Computer In our health-conscious society, viruses of any type are an enemy. Computer viruses are especially pernicious. They can and do strike any unprotected computer system, with results that range from merely annoying to the disastrous, time-consuming and expensive loss of software and data. And with corporations increasingly using computers for enterprise-wide, business-critical computing, the costs of virus-induced down-time are growing along with

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    Polymorphic & Cloning Computer Viruses

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    Polymorphic & Cloning Computer Viruses The generation of today is growing up in a fast-growing, high-tech world which allows us to do the impossibilities of yesterday. With the help of modern telecommunications and the rapid growth of the personal computer in the average household we are able to talk to and share information with people from all sides of the globe. However, this vast amount of information transport has opened the doors for the computer "virus" of the future to flourish. As time

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    How computer viruses work Computer viruses are not understood very well, but they get your attention. Viruses show us how vulnerable we are, but they also show how open and worldly human beings have become. Microsoft and other large companies had to shut down all their e-mail systems when the “Melissa” virus became a worldwide event. A computer virus is passed on from one computer to another computer. A virus must ride on top of some other program to document in order to perform an instruction.

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    enemy is everywhere. Trillions of them surround you, invisible, intangible, their mere existence quite capable of killing you. You have defenses, but they can avoid or destroy those defenses and work their will upon your body. From bacteria and viruses, there is no escape. Throughout human history, we have been at war with them… the front lines our very bodies. It is a war we are not winning. We have developed few effective tactics against them. Our oldest tactic, sterilization, was first

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    Eliminate Macro Viruses Imagine starting up your computer only to see the image on the screen melt while eerie music plays. The hard drive crunches away. What is it doing in there? Before you turn off the machine, most of your files have been deleted. Your computer is the victim of a computer virus. But where did the virus come from? It may have been that game you borrowed or, more likely, it came from an electronic document. Most viruses infect programs, but newer viruses can infect documents

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