Adware:Adware (or spyware) is a small program that is designed to show advertisements (in various form and degrees of intrusiveness) on your computer. It often reports personal information back to its owners. As a result your sense of privacy can be violated.
Trojan.Vaklik is a malicious Trojan that exploits browser security holes in order to compromise your computer. Once inside your machine, Trojan.Vaklik will modify the Regsitry to start itself at every Windows boot. Trojan.Vaklik will then attempt to leak your personal and financial information to a remote hacker without your knowledge or consent. This threat is a severe violation of your privacy and personal security and should be removed immediately.
Technical details (How to remove Trojan.Vaklik.pf(pop up))