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Key words:- PC: personal computers, VIRUSE: vital resources information under siege, E-mail: electronic mailĪ computer virus is a special kind of computer program which Spreads across disks and networks by making copies of it, usually surreptitiously. In this paper presentation includes what is a virus, history of virus, how does a virus infectted computer, how can we detect a virus infected computer, how do we protect our computer against viruses, specific types of viruses and also what is an anti virus The i love you virus download Pc#At Advanced Computer Consulting we can check your network and help you to protect your computer.Department of computer science, Carmel college mala Thrissur,IndiaĪbstract: The purpose of this paper is to discuss various types of computer viruses, along with their characteristics, working, effects on the computer systems and to suggest measures for detecting the virus infection in a computer system and to elaborate means of prevention.The first PC viruswas a boot sector virus called (c) brain. Unless you're protected, you can lose your files, money or even equipment! Avoid the Worst Computer VirusesĪs you can see, the worst computer viruses can cause serious problems. Law enforcement managed to stop the ransom operation, but not before $27 million was paid. The only way to remove the encryption was to pay a ransom by a certain deadline. This virus encrypted files on hard drives. CryptoLockerĬryptolocker was one of the first ransomware attacks. If the infected computer used Siemens software, it would alter the speed of the machinery it controlled, causing it to tear apart. Spread through infected USB drives, it ruined 1/5 of Iran's nuclear centrifuges. Stuxnetīelieved to be created by Israeli and American defense forces for cyber warfare, Stuxnet was used to disrupt Iran's nuclear program. Scareware was then used to scam money from users. The i love you virus download windows#It would reset account lockout settings and block access to antivirus sites and windows updates. ConfickerĬonficker is a worm that infected over 9 million computers around the world. It stole details of social media accounts, bank accounts, and email addresses.Īround $70 million was stolen and over 100 arrests made. It compromised accounts from many leading banks and corporations. It infected targets through phishing scams or downloads. In 2009, Zeus targeted windows computers to use them to perform criminal acts. It managed to take out Google for almost a day! 7. Its aim was to take down websites like Google and Lycos. Users would open an attachment like "Mail Transaction Failed". One of the fastest spreading virus of all time, My Doom, infected one in 12 emails at its peak. ![]() Damages were estimated in the billions of dollars as well as forcing airlines and governments to shut down. Sasser slowed machines down and caused crashes. It found a way to manipulate an exploit in the Local Security Authority Subsystem Services. Sasser affected millions of Windows XP and 2000 computers. These computers would then spread the virus. This passed information to other infected computers. The i love you virus download install#Then, a program called wincom32 would install itself. Users activated it by opening emails with titles such as "230 dead as storm batters Europe". In 2007, Storm Trojan infected thousands of computers. The increased email traffic caused disruption to governments and corporations alike. Once opened, it would mail itself to the user's email contacts. This was posted online, claiming to be a list of passwords to adult websites. This virus started in 1999 as an infected word document. It hit a total of two out of six million IIS servers! 3. The virus would then open up the machine to a remote access. Once infected, the virus would replicate itself, taking up computer resources. The i love you virus download code#Code RedĬode Red targeted Microsoft IIS users and even the White House website was hit. ![]() Thought to be one of the most harmful ever created, damages were upwards of $10 billion. It would send itself to users' mailing lists and overwrite files, making computers unbootable. The ILOVEYOU virus posed as a love confession. Read on as we take a look at 10 of the worst computer viruses of all time. But unless you know what you're up against, it can be hard to take network security seriously. With such high stakes, it pays to be vigilant. ![]()
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