Right-click the file and go to Properties > Digital Signatures . If it lacks a signature or is signed by an unknown entity, it has likely been modified.
The file you are referring to, , is widely identified as a "keygen" or "crack" tool created by the group X-Force . It is used to illegally generate activation codes for Autodesk 2013 products , such as AutoCAD or Revit.
. In sample analyses, over 50% of security vendors typically mark it as malicious.
If you are looking for access to Autodesk products like AutoCAD, there are safe and legal ways to do so:
No legitimate organization has signed or distributed xfadsk2013_x64.exe . Therefore, the appropriate classification is .
Running a virus scan with multiple antivirus tools can provide more insight. Some malware can evade detection, but a consensus on the file being benign or malicious can often be reached.
The keyword represents a legacy era of software piracy. While the "verified" tag is meant to offer peace of mind, the safest path for professional designers and students alike is to utilize official, modern versions of the software that do not require bypassing security protocols.