If you are a regular internet browser you might be experiencing unwanted advertisements which keep on popping n your screen every now and then. These ads are actually advertisement spyware and the main purpose of such spyware is to monitor the surfing habits of the internet browser. These spywares get installed into your computer when you downloaded some un-authentic files onto it.

Your confidential documents as well as your internet browsing activities get transferred to the company which has created that software and they store this information as a database for marketing purpose. This information can also be sold to third party and they will start sending unwanted ads related to the surfing activities of the user.

The main problem with this kind of spyware is that it gets installed on your computer unintentionally as there are various ways to install it. One of the most common ways which spyware companied do is they pay a software publisher a certain amount to include their products which is known as bundling. Similarly, there are many security flaws in popular web browsers which get exploited by these spyware companies.

When spyware is installed a unique tracking number is assigned with it. The company which created the spyware through this tracking number gets all the information on the usage of the infected computer. This procedure gives access to the spyware company to prepare the database of the surfing activities of the computer affected by the spyware.