AutoCAD malware warning
There is a piece of malware out there written as an ObjectARX application, i.e. it will only affect AutoCAD users. It’s a China-based adware client, which Andrew Brandt at the Webroot threat blog has named Trojan-Pigrig. For full details, see here. Also, see here for AutoCAD-specific advice from the AutoCAD support team at the Without a Net blog.