What 3 things can a computer virus do?

What 3 things can a computer virus do?

What does a computer virus do? Some computer viruses are programmed to harm your computer by damaging programs, deleting files, or reformatting the hard drive. Others simply replicate themselves or flood a network with traffic, making it impossible to perform any internet activity.

What does a computer virus do short answer?

A computer virus is a malicious piece of computer code designed to spread from device to device. A subset of malware, these self-copying threats are usually designed to damage a device or steal data.

What is a computer virus How is it harmful?

A computer virus is a harmful program that is designed to insert unwanted code into another program or file (the host file). Each time the host file is run, the virus code in it will also run and insert more unwanted code, either into the same file or into other files on the same machine.

Are all computer virus harmful?

Most computer viruses are harmful and seek to destroy your data. A virus is a form of malware attached to another file or program, which can replicate and spread once human interaction initiates or opens the program.

What was the worst computer virus in history?

1. ILOVEYOU. ILOVEYOU is considered one of the most virulent computer virus ever created. It managed to wreck havoc on computer systems all over the world with around $10 billion worth of damages.

Does your computer have a virus?

In order for a virus to infect your computer, you have to run the infected program, which in turn causes the virus code to be executed. This means that a virus can remain dormant on your computer, without showing major sings or symptoms. However, once the virus infects your computer, the virus can infect other computers on the same network.

What are the effects of computer virus?

Another main effect of computer viruses is the modification of files on a hard drive or other writable media. Seeing new and unknown files, folders or applications appear on a computer’s hard drive is one possible sign of a computer virus. Another possible effect is the modification of files.

What are some examples of computer viruses?

Some examples of computer viruses include the Storm Virus, Sasser Virus and Melissa Virus. A computer virus is a program that causes some sort of harmful activity to a computer and then attempts to replicate and spread itself to other computers.

What are the types of computer viruses?

There are different kinds of computer viruses: Probably the most common form is the Macro-virus or script virus. Boot sector viruses infect the boot sector of floppy disks, harddrives and other media. Executable files and scripts of the operating system; including those that are run automatically when a medium is inserted into a drive