Virus’s and malwares are small computer programs that spread to one computer to another computer and infect data and files in hard drive, the program transmit through email and storage devices and corrupt the important files. It can also come with the attachments, downloads on the internet. They are hidden files which extract and infect the computers. There is numerous type of virus that affects your system.
How computer viruses work?
A program file that comes with downloads and attachments, it gets activated as soon as it touches the program. For e.g. if it is made for the Microsoft world program, the program gets activated as soon as MS world documents gets open. The virus code spread to the system and takes control over it. What exactly a virus does is what it is program to do. Moreover, primary goal is to spread and replicated. It generally searches for new targets to infect files.
Types of Virus and Malwares
Resident virus infect the RAM memory where it spread and interrupt all the operation executed by the system, corrupts files and program that are open, closed, and copied.
These kinds of virus’s spreads through infected media and usually hides in the memory, steadily, it goes to hard drive and infect executable files on the hard drive to computer system.
Direct action virus’s
This virus replicated constantly and takes action when a desired condition is met. The virus will go into the directory of folders, batch files, and sometime when computer is booted.
As similar, overwrite viruses, boot virus, macro virus, Directory virus, Polymorphic virus, encrypted virus, Trojans, are designed to harm users different parts of the computer.
How does antivirus program works?
If you have installed antivirus program to your computer, there are two ways you can run the scan and remove antivirus program; manually and automatic. If you are going for automatic scan, you can schedule scan for specific drive on fix date and time. When you manually run the scan, you can also choose web downloads as well, on the contrary, if you are going for manual updates, you can run the scan when you needed. However, its important you run the scan before system gets infected. Still if you have a query and want to know more about system security, visit and speak with the antivirus customer support expert at Norton technical support.