It is an adware program which deceives users and warns them of unexisting threats in their computers. In order to eliminate them, they are enticed to purchase a certain program. It can reach the computer when the user accesses certain websites which display banners or pop-up windows which lead to the download of this program.

Windows 2003/XP/2000/NT/ME/98/95

APcDefender is an adware program that deceives users warning them of unexisting threats in their computers so that they purchase a certain program that removes them from the computer.

APcDefender can reach the computer when the user accesses certain websites which display banners or pop-up windows which lead to the download of this program. It can also reach the computer in a link that can be received via spam messages, fraudulent websites, etc.

APcDefender is easy to recognize, as it shows the following symptoms:

• It reaches the computer in a file with the following name and icon:
  
  
• Then, the interface of the program is displayed and it starts scanning the system in search for possible malware:
  
  
• It also adds an icon like the following to the task bar: