Advanced Antivirus Remover is a malware that imitates some functions and processes of a real security program. However, it should not by any means be mistaken for a legitimate security tool.Advanced Antivirus Remover usually gets into the system with the help of Zlob trojan without making any notice to the user and hides it's files so that they would be hard to remove.

Source: http://www.spywared.com/spyware-removal-instructions/2009/08/12/remove-advanced-antivirus-remover-advanced-antivirus-remover-removal-instructions.html