These portables are created by unpacking the original EXE, applying a loader (often a .dll that intercepts API calls), and re-packing it. Modern antivirus software (Defender, Malwarebytes) will almost universally flag these as Trojan.Patcher or Hacktool.AutoCAD . Even if the original repacker meant well, the file hosting sites often inject their own malware into the archive.
The portable version of AutoCAD 2010 was essentially a self-contained package that could be run directly from a USB drive or a portable hard drive, without the need for installation. This meant that users could carry their work environment with them, literally, and access their design tools and projects from any compatible computer. The implications were profound: i--- Autodesk AutoCAD 2010 -Portable- Updated
: The 2010 release fully integrated the Ribbon, providing organized tabs and panels for quicker tool access compared to older toolbar-heavy versions. 3D Free-Form Design i--- Autodesk AutoCAD 2010 -Portable- Updated 1