What are some examples of computer viruses?
What are some examples of computer viruses?
Some examples of widespread computer viruses include:
- Morris Worm.
- Nimda.
- ILOVEYOU.
- SQL Slammer.
- Stuxnet.
- CryptoLocker.
- Conficker.
- Tinba.
What is Computer Virus explain with example?
Definition: A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions. Description: The term ‘computer virus’ was first formally defined by Fred Cohen in 1983. Computer viruses never occur naturally. They are always induced by people.
What is a computer virus Class 7?
Answer. Computer virus is a computer program which runs on any computer system without the user’s knowledge. It is a malicious code that has the ability to duplicate and sends copies of itself to other computers through the Internet.
What is a computer virus Class 8?
A computer virus is a kind of malicious computer program, which when executed, replicates itself and inserts its own code. When the replication is done, this code infects the other files and program present on your system.
What is a computer virus?
A computer virus is a program or a piece of code that is specifically designed to spread from computer systems to another computer and interfere with computer operation without the victim’s knowledge. Hackers use these virus codes to corrupt or delete data from the victim’s computer or use email to spread to other computers or networks.
What was the Code Red computer virus?
First observed in 2001, the Code Red computer virus was yet another worm that penetrated 975,000 hosts. It displayed the words “Hacked by Chinese!” across infected web pages, and it ran entirely in each machine’s memory. In most cases it left no trace in hard drives or other storage. Financial costs are pegged at $2.4 billion.
How do I know if my computer has a virus?
Today, it’s easy to know if you have a virus. Just open your computer’s antivirus software and view its latest report. Windows 10 has built-in virus protection called Windows Security. To find it, type “Windows Security” in your PC’s search bar.
What is the worst computer virus outbreak in history?
The worst computer virus outbreak in history, Mydoom caused estimated damage of $38 billion in 2004, but its inflation-adjusted cost is actually $52.2 billion. Also known as Novarg, this malware is technically a “worm,” spread by mass emailing. At one point, the Mydoom virus was responsible for 25% of all emails sent.
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