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-DF is a Trojan horse designed to hijack and infect your computer and steal your personal information. Trojan.Agent-DF downloads a keylogger which records every keystroke that you type. In addition, Trojan.Agent-DF may open a backdoor through which a remote attacker can get full control over your computer. Trojan.Agent-DF is extremely dangerous, and poses a significant threat to the security of any personal and financial information stored on your computer.
Technical details (How to remove Trojan.Agent-DF(pop up))