Trojan.Zeroaccess!inf is a redirect program that earns money for hackers at your expense. Optionally, as it listens to remote instructions of computer system controlled by hijackers, the malware can extend its tasks, for its basic facilities provides for a room for various modifications.
Users are warned against trying such approaches to Trojan.Zeroaccess!inf removal as registry cleanup and system restore. Such attempts have already caused great damage as many users tried these approaches and found their computer systems ruined due to the deletion of critical objects.
Needless to say, the redirect is annoying, and your computer system is not a proper place for it to stay.