Resident Virus
"Most common"
What does the virus do?
It corrupts programs and files that are closed, open, renamed, or copied.
How does it spread?
It installs malicious codes into the memory of your computer, infecting current programs and future installations.
What are the costs of the damage it causes?
Viruses can costs up to billions of dollars of years. The costs of a resident virus can vary for reasons of if you have a good anti-virus program.
How widespread is the outbreak?
The resident virus is the most common virus. Almost any computer can get it.
How can you stop the virus?
The resident virus cannot be stopped completely. You can prevent it though. Your computer needs to have an anti-virus software program. It your computer does get the virus, install a program, restart the computer, your computer will go under a full scan and eliminate the virus.