How computer virus works pdf

Never open files with a double file extension, e. Worse yet, some viruses are designed with financial gains in mind.

how computer virus works pdf

This has made the virus detection and identification very challenging. One is the manual do-it-yourself approach. Unknown programs that start up when you turn on your computer.

how computer virus works pdf

Multipartite Virus — This type of virus spreads through multiple ways. This opens the door for attackers and gives them full control of the system.

What is a Computer Virus?

Presently, the sophisticated ones come with evasion capabilities that help in bypassing antivirus software and other advanced levels of defenses. Add new comment Your name. The reason for running both is that one of them will effectively eliminate your computer virus or malware.

how computer virus works pdf

The viruses also use such data, combined with lists of common user names, to send spam to huge numbers of recipients. Some file infector viruses infect any program for which execution is requested, including. It does this to evade antivirus programs.

What is a computer virus?

This type of virus can take control when you start — or boot — your computer. Or they might prod you to download antivirus or other software programs. Changes to your homepage.

Polymorphic Viruses: This is a typical sign of a virus program.

how computer virus works pdf

Make sure that your Runbox virus filter is activated. You can take two approaches to removing a computer virus. Overwrite Virus — This type of virus deletes all the files that it infects.

how computer virus works pdf

Viruses can hide disguised as attachments of socially shareable content such as funny images, greeting cards, or audio and video files. In order to better protect go for a real-time anti-virus program, since it automatically keeps checking in the background for viruses.