: While some "cracks" are flagged because they modify system files (behavior similar to a virus), many are intentionally infected by the people distributing them.
xf-a2012-64bits.rar is the filename for a common "keygen" (key generator) tool used to bypass software licensing for Autodesk 2012 products, most notably AutoCAD 2012 Overview of the Tool The "xf" in the filename stands for Xf-a2012-64bits.rar
For users needing access to Autodesk software, there are legitimate ways to obtain it: Educational Access: : While some "cracks" are flagged because they
