Search.epolife.com hijacker program replaces homepage and default search engine by search.epolife.com. Such programs scan users browser activity and collect scanned data. After this, collected data can be shared with third-parties, what is not good for privacy.
Shiloh (the dog from the book Shiloh by Phyllis Reynolds Naylor) is a Beagle.
Baum did not specifically state Toto's breed, but describes him as a little black dog (male although he was played by a female dog in the 1939 MGM movie) with long silky hair and small black eyes that twinkled merrily on either side of his funny, wee nose.