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.
Backdoor.ForBot.af is a malicious parasite that is commonly downloaded and installed onto your computer through security holes. Once inside your machine, Backdoor.ForBot.af will embed itself into the registry in order to open up an unsecured backdoor in your system. This backdoor can be exploited by a hacker to give clear, unfettered access to your PC and any data stored on it. This threat runs in stealth mode, therefore remaining undetected by the user while performing its malicious acts. Backdoor.ForBot.af is considered a high-level threat and should be removed from your system immediately.
Technical details (How to remove Backdoor.ForBot.af(pop up))