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A computer virus is a computer program that can copy itself and infect a computer without the permission or knowledge of the owner. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive ability. A true virus can only spread from one computer to another (in some form of executable code) when its host is taken to the target computer; for instance because a user sent it over a network or the Internet, or carried it on a removable medium such as a floppy disk, CD, DVD, or USB drive. Viruses can increase their chances of spreading to other computers by infecting files on a network file system or a file system that is accessed by another computer.

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Wikipedia About Computer Virus

A computer virus is a computer program that can copy itself and infect a computer without the permission or knowledge of the owner. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive ability. A true virus can only spread from one computer to another (in some form of executable code) when its host is taken to the target computer; for instance because a user sent it over a network or the Internet, or carried it on a removable medium such as a floppy disk, CD, DVD, or USB drive. Viruses can increase their chances of spreading to other computers by infecting files on a network file system or a file system that is accessed by another computer.

The term "computer virus" is sometimes used as a catch-all phrase to include all types of malware. Malware includes computer viruses, worms, trojan horses, most rootkits, spyware, dishonest adware, crimeware, and other malicious and unwanted software), including true viruses. Viruses are sometimes confused with computer worms and Trojan horses, which are technically different. A worm can exploit security vulnerabilities to spread itself to other computers without needing to be transferred as part of a host, and a Trojan horse is a program that appears harmless but has a hidden agenda. Worms and Trojans, like viruses, may cause harm to either a computer system's hosted data, functional performance, or networking throughput, when they are executed. Some viruses and other malware have symptoms noticeable to the computer user, but many are surreptitious.

Most personal computers are now connected to the Internet and to local area networks, facilitating the spread of malicious code. Today's viruses may also take advantage of network services such as the World Wide Web, e-mail, Instant Messaging, and file sharing systems to spread.

History

The Creeper virus was first detected on ARPANET, the forerunner of the Internet in the early 1970s. Creeper was an experimental self-replicating program written by Bob Thomas at BBN in 1971. Creeper used the ARPANET to infect DEC PDP-10 computers running the TENEX operating system. Creeper gained access via the ARPANET and copied itself to the remote system where the message, "I'm the creeper, catch me if you can!" was displayed. The Reaper program was created to delete Creeper.

A program called "Rother J" was the first computer virus to appear "in the wild" — that is, outside the single computer or lab where it was created.Fact: date=March 2009 Written in 1981 by Richard Skrenta, it attached itself to the Apple DOS 3.3 operating system and spread via floppy disk. This virus was created as a practical joke when Richard Skrenta was still in high school. It was injected in a game on a floppy disk. On its 50th use the Elk Cloner virus would be activated, infecting the computer and displaying a short poem beginning "Elk Cloner: The program with a personality."

Search results for Computer Virus

Computer Viruses: What is a Computer Virus? | Microsoft Security;

Learn how to prevent computer viruses and improve your computer security. ... A virus might corrupt or delete data on your computer, use your e-mail program ...www.microsoft.com/protect/computer/basics/virus.mspx

Computer Viruses

This tutorial provides basic information about computer viruses. ... Computer Virus Basics ... Viruses can infect several components of a computer's operating ...www.online.tusc.k12.al.us/tutorials/viruses/viruses.htm

Symantec Security Response

Symantic security response provides info about the latest computer virus threats, security advisories, removal tools, and other updated security info.securityresponse.symantec.com/

Computer Virus

==Introduction==A computer virus is computer programming, or code, that hides in computer programs or on the boot sector of storage devices such as hard-disk drives ...it.toolbox.com/wiki/index.php/Computer_Virus

Protecting your computer from viruses

What is a computer virus and how do I get one? ... A computer virus is a program that makes copies of itself and infects files. ...www.washington.edu/computing/virus.html

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News about Computer Virus

Report Finds FAA’s Computers Hacked Into Multiple Times

redOrbitHackers infiltrated US air traffic control computers numerous times in the last few years and increased dependence on Internet applications and software has caused increased vulnerability, states a government audit.This includes an assault on a Federal Aviation Administration (FAA) computer in February 2009 where hackers received admittance to personal data on 48,000 FAA workers, the report ...http://www.redorbit.com/news/technology/1685953/report_finds...

NOW: Virus Expert Larry Brilliant Assesses Global Response to H1N1 Flu

The Online NewsHourEpidemiologist and former chief philanthropist at Google.org, Dr. Larry Brilliant sheds light on detecting global outbreaks, the importance of early response, and how the current pandemic has yet to show its real hand. Watch the interview Friday on NOW.http://www.pbs.org/newshour/rss/redir/http://www.pbs.org/now...

Southlake takes precautions

Southlake TimesA growing number of people across the nation have been diagnosed with swine influenza, a strain of Type A flu virus, fear is growing is could spread. The number of confirmed cases by the Centers for Disease Control and Prevention is at 16 and one child has died with the disease.http://www.southlaketimes.com/articles/2009/05/09/southlake_...

Archive

Greater KashmirSubscriber shall be responsible for obtaining and maintaining all telephone, computer hardware and other equipment needed for access to and use of GreaterKashmir.com Interactive and all charges related thereto.http://www.greaterkashmir.com/today/terms.asp?Date=10_5_2009

Testing for the flu, from swab to finish

The Press-EnterpriseTesting for swine flu starts with a nose and throat swab taken at a doctor's office, a health clinic or a hospital. The swab is placed in a plastic test tube partially filled with liquid, then slipped into a zippered plastic bag so a courier can transport it to a public health laboratory. At the lab, the specimen is logged in to a computer and stored in a refrigerator until the sample can be ...http://www.pe.com/localnews/healthcare/stories/PE_News_Local...

News about Computer Virus

Swine Flu Genes Show Virus May Be Weak

WiredPreliminary evidence suggests that swine flu may prove relatively mild, though scientists warn against drawing firm conclusions from on-the-fly early research. Wired.com has learned that Lawrence Livermore National Laboratory computer scientists ... http://www.wired.com/wiredscience/2009/05/swinefluglimpse/

Contest rules for 'Send Terry on the road'

Oregonian ... may result in disqualification at the sole discretion of Sponsor. (iii) Sponsor further reserves the right to cancel, terminate or modify the Promotion if it is not capable of completion as planned, including by reason of infection by computer virus ... http://blog.oregonlive.com/terryrichard/2009/05/contest_rule...

Swine flu deaths ebb but virus still spreading

MSNBCBut the virus keeps spreading around the world, with new cases confirmed in Europe and Asia, and governments banning ... Speaking with The Associated Press using his computer's video-conferencing program, Dolige said he will turn 43 on Tuesday in ... http://www.msnbc.msn.com/id/30471035/

Terms And Conditions

CNNc) this disclaimer of liability applies to any damages or injury caused by any failure of performance, error, omission, interruption, deletion, defect, delay in operation or transmission, computer virus, communication line failure, theft or ... http://edition.cnn.com/ALLPOLITICS/1998/utilities/terms/

Utah woman warning others about Facebook virus

ksl.comThis virus DOES come from a "friend" on facebook-even though they have no idea it has been sent out. I got this, and it was sent from my friend, and without even thinking, clicked on it. My only saving grace was it crashed my computer completely ... http://www.ksl.com/?nid=148&sid=6409532&comments=true

Search results for Computer Virus

Virus

Virus computer dictionary definition. ... A software program first written Rich Skrenta in 1982 who was a 15-year old high school student.http://www.computerhope.com/jargon/v/virus.htm

Computer virus - Simple English Wikipedia, the free encyclopedia

Computer viruses are harmful (bad) computer programs. Viruses could get rid of and damage files on your computer. It could corrupt files and slow down computer operation [workings ... http://simple.wikipedia.org/wiki/Computer_virus

Computer Virus FAQ for New Users

From: tanstaafl@pobox.com (Nick) Newsgroups: news.newusers.questions, alt.newbie, alt.newbies Subject: Computer Virus FAQ for New Users Date: 18 Jul 1999 12:02:46 GMT Message-ID ... http://www.faqs.org/faqs/computer-virus/new-users/

Computer Virus Problems,PC Spyware Removal,Remote Computer Repair

Computer Virus Problems, PC Spyware Removal, Common Types of Viruses, Computer Virus Protection, Internet Virus Removal, Computer Virus Killer, Fix Trojan Horses, Common Computer ... http://www.computervirusproblems.com/

Computer Virus: Free Encyclopedia Articles at Questia.com Online ...

Research Computer Virus and other related topics by using the free encyclopedia at the Questia.com online library.http://www.questia.com/library/encyclopedia/computer_virus.j...

Wikipedia results for Computer Virus

Computer virus - Wikipedia, the free encyclopedia

A computer virus is a computer program that can copy itself and infect a computer without the permission or knowledge of the owner. The term "virus" is also commonly but ... http://en.wikipedia.org/wiki/Computer_virus

Virus hoax - Wikipedia, the free encyclopedia

A computer virus hoax is a false email message warning the recipient of a virus that is going around. The message usually serves as a chain e-mail that tells the recipient to ... http://en.wikipedia.org/wiki/Computer_virus_hoax

CIH (computer virus) - Wikipedia, the free encyclopedia

CIH, also known as Chernobyl or Spacefiller, is a computer virus written by C hen I ng H au (陳盈豪, pinyin: Chén Yíngháo) of Taiwan. It is considered to be one of the most ... http://en.wikipedia.org/wiki/Chernobyl_(computer_virus)

Jerusalem (computer virus) - Wikipedia, the free encyclopedia

Jerusalem is a DOS file virus first detected in Jerusalem, Israel, in October 1987. on infection, the Jerusalem virus becomes memory resident (using 2kb of memory), and then ... http://en.wikipedia.org/wiki/Jerusalem_virus

Michelangelo (computer virus) - Wikipedia, the free encyclopedia

The Michelangelo virus is a computer virus first discovered in April 1991 in New Zealand. [1] The virus was designed to infect DOS systems (but did not engage the operating system ... http://en.wikipedia.org/wiki/Michelangelo_%28virus%29
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Videos found for Virus

Grove City Student Could Have H1N1 ...

Grove City Student Could Have H1N1 VirusOfficials at Grove City College say a student remains in isolation after learning that a friend she visited in New England has H1N1 flu; KDKA's Bob Allen reports.Windows Media - Video

Flu virus origins

Flu virus originsCNN's Kiran Chetry talks with a pandemic expert about the origins of the new H1N1 strain.Windows Media - Video

Swine flu: virus passing human-to-h...

Swine flu: virus passing human-to-human in UKTwo cases of human-to-human transfer of swine flu have been confirmed in Britain. The first man diagnosed, Graeme Pacitti, is a friend of Iain and Dawn Askham - Britain's first...Flash - Video

Smithfield Foods CEO on flu virus

Smithfield Foods CEO on flu virusMay 1: CNBC’s Erin Burnett interviews chief executive of Smithfield Foods, Larry Pope, whose company owns a plant in Mexico that has attracted global attention in the midst of...Windows Media - Video

Origins of the H1N1 virus

Origins of the H1N1 virusJami Floyd discusses the origins of the swine flu.Windows Media - Video

Answers for Computer Virus

Tricia KComputer Virus?Tricia KA trojan horse can tell IP or key logs etc.ducktapeclubmix22What is the best computer virus remover?ducktapeclubmix22To clean up your pc, give this a try. Update your anti-virus, remember to only have one anti-virus installed on your PC http://www.avast.com/eng/download-avast-home.html [Free home edition] Do...SammyCan a computer virus spread to another computer in the same house?SammyHello Sammy, the answer is 'No' as computer viruses and other malicious program spread from computer to computer by either downloading, opening, and installing programs that has the viruses, worms, tr...Brock MHow much does a computer virus weigh?Brock MI love philosophical questions. Well, lets get just a little technical about it here for a minute. Lets ignore how much energy, time and materials went into creating it, because you asked how much ...gaminator07How to Get rid of my computer virus?gaminator07Here’s how to remove it Run a Quick Scan and Delete All Infections Found Malwarebytes Anti Malware http://www.download.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html FREE EDITION
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