I found an intersting article about PC Desktop Computers or Laptop Computers viruses. Here is an excerpt from it.

A PC Desktop Computer virus is a software program that is secretly introduces itself into your PC Desktop Computer or Laptop Notebooks system. Viruses usually operate without the knowledge or desire of the PC Desktop Computer or Laptop Notebooks user. Viruses are often hidden in other programs or documents and when opened, the virus gets loose. One particular aspect of the virus is its capability to spread itself from one PC Desktop Computer to another by replicating and attaching itself to another program or file.

Viruses have the capability of infecting any type of files. Files usually attacked are .com, .exe, .sys, .bin, .pif or any data files, such as word or excel.

You may read the full article about Desktops Computers or Laptopnotebooks viruses when visiting Desktopzine.