A virus is a malicious, self-replicating program in which the sole creation of the program is infect and damage other people's computers. Viruses have many effects on a computer, but feature the most common as following:
* Computer is running slow or not responding to some commands.
* Various files or programs are gone or have been renamed.
* Various unknown files have mysteriously appeared on the computer without the user knowing how they got there.
* Computer crashes frequently.
* Your computer dies from a severe virus infection and results in a BSOD (Blue Screen of Death).
a c program for creat a virus
this are sunday virus, cascade virus, professors virus.
A Trojan Horse virus program poses as some other program.
virus spreader
A Companion virus
use the anti-virus program.
emulator is a program that allows a computer to emulate another program . This usually does not cause a virus
Generally, a computer virus attacks a file/program, and then injects a bunch of complex direction codes that make the program a zombie. So the virus basically kills and then mutates the code of a program, either making that infected program another copy of the virus that attacked it, or a powerhouse factory that automatically makes copies of the virus, which means that the program now is like a mass production factory making copy after copy after copy of the virus.
Stores the virus' program code that tells how to do everything the virus needs to do.
When you open a website or download a program that is infected with a virus.
Yes, babylon.exe is a virus. It is disguised as a translation program, but it can erase your data and infect your internet, anti-virus software, and many other programs.
It is a virus that is buried inside another program. SO when the program is run the virus does its thing. That is why a good virus detection software package is important and it is kept up to date.