Keith installs a freeware photo utility on his home computer so that he can manipulate his vacation pictures. Days after installing the program, he notices advertisements popping up periodically on his computer, even if the utility is not running. What are these called?

A.
Malware

B.
Adware

C.
Bombs

D.
Malformed data

Explanation:
Adware is the source of much controversy. Companies offering free software can package adware into the installation package. The user typically has no idea that he is downloading this advertising material and will be bombarded with marketing material. Many feel adware is an invasion of privacy.