The number of cases grew to over 20,000 in 2021, with a total loss of RM560 million. In 2020, there were 17,000 cases reported. It was reported that around 13,000 cybercrime complaints were filed in 2019, costing about RM539 million in losses. In Malaysia, different types of cybercrimes are hacking, cyber harassment, phishing, identity theft, credit card fraud, spam, cyber pornography, denial of service attacks, and virus dissemination. They are launched with the cause of harming different people's property, personal integrity, and life or stealing valuable items and information from other people. The paper has made an attempt to discuss almost all the computer viruses and every possible way of prevention of infection from them.Ĭybercrimes are often defined as computer crimes or high-tech crimes. There are a number of studies and articles available on the topic but almost all of them appear to be incomplete in the sense that either they discuss only a limited number of known viruses or suggest only limited ways of prevention. The society will also benefit by attaining knowledge about the different types of computer viruses and the measures of prevention of infection. The research will benefit business organizations, business houses, educational institutions and libraries working in fully computerized environments, in detection of viruses and preventing infection of their computer systems. The research is based on and limited to the study of the relevant literature available on different relevant web sites. ![]() The author suggests ways to detect and prevent the different computer viruses. The author undertook an extensive study and review of the literature available online and on relevant web sites on the present topic.Ī large number of viruses were found during the study, which are causing serious damages to computer systems. This viruses caused $3,700,000,000 in damage.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. Code Red (2000): This virus eventually infiltrated the official website of the White House, requiring them to change their IP address.It disguised itself as a fake love letter and ended up causing an estimated $24,000,000,000 worth of damage. ILOVEYOU (2000): Despite the sweet name, this was one of the worst viruses in history.Sobig (2003): This devastating virus wreaked havoc among businesses around the world and resulted in $44,400,000,000 in damage.It ended up being responsible for $48,000,000,000 worth of damage. It was able to spoof an email sender’s name to trick people into opening an email. Klez (2001): This computer virus ended up infecting 7.2% of computers in the world.During its peak, it was responsible for nearly 25% of all emails sent. ![]() MyDoom (2004): MyDoom is one of the most infamous and worst viruses in history.However, these are generally regarded to be some of the most devastating computer viruses in history in today’s dollars. Many cases of infection go unreported, and the extent of damage caused can be hard to quantify. ![]() ![]() It’s hard to pinpoint just how much monetary damage a computer virus can cause.
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