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.
FriendsBlog is an adware spyware that opens pornographic web sites without user consent and asks the user to register and pay a fee for certain adult services.
Technical details (How to remove FriendsBlog(pop up))