CoolWebSearch is the name used for a specific kind of Trojan known as “browser hijacking”. They are capable of controlling, keeping track and sending all the activity of a computer in secret. For the user, the result translates into an incorrect functioning of its system with performance loss, errors, publicity pop-up windows and changes to the home page to make it CoolWebSearch.com.
The software acts by analyzing your PC and checking for the existence of a Trojan of this class. Once you have finished the scan of the computer it will present you with the potential threats on a list, that you'll be able to eliminate using the corresponding option. With Trend Micro CWShredder you'll be completely safe despite these threats.