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.Agent.dfv is a malicious Trojan application that is designed to infiltrate your system and create a security-free conduit for more parasites to compromise your machine. The decrease of your security settings may also allow an unauthorized usage of your personal and financial data. It is strongly recommended to eliminate Trojan.Agent.dfv from your system once it is detected.
Technical details (How to remove Trojan.Agent.dfv(pop up))