Computer Virus And Its Effect On The Computer - 2535 Words

1. Introduction Today, the term ‘computer virus’ is definitely not unfamiliar to most people. In the early 1980s, people started to gain awareness of Computer virus or Malware. However, it was only in 1987 that computer virus became prominent; especially to those in the press and trade industry. [1] Computer virus has evolved over the years - from the early days of Internet distributed Morris worm to remote access Trojans(RAT). Often not, a personal computer tends to be vulnerable to a virus attack. It was reported that an anti-virus company can receive tens and thousands of sample harmful executables from it users, be it a Trojans or viruses. [4] The harmful executables will infiltrate into your computer system and causes your computer†¦show more content†¦Malware – What is it Malware is a piece of program that is created with intent of causing harm to the receiver. Malware is also known as malicious software, malicious code and malcode. It contains the harmful intent of an attacker; example the attacker wants to hack into the victim computer to cause a Distributed Denial-Of-Service (DDoS). [5] DDoS attacks are classified into major and minor, with major being difficult to create and minor being easy to create. A simple yet concise idea of how DDoS affects the victim is denying the connection to TCP/IP in which the victim will have no access to the internet. Additionally, Malware can be described as a term that is related to Trojans, viruses, spywares, rootkits, malicious mobile code and other intrusive code. [6] Malware is now tied to organized crime around the world, gone are the days of the status hackers. (I don’t understand this part). 3. Types of Malware The types of malware that will be discussed are worms, viruses, Trojans, rootkits, malicious mobile code and adware. a. Worms A worm or computer worm is able to reproduce itself by executing its own set of codes independent from any other codes or program. The main difference between a virus and worm is the worm does not require any host to cause trouble. This means that a worm is able to cause damage to the computer without the attaching itself to any program. [6] The spreading method of both virus and worm is