1. Copy Interface.so to the install directory.
2. Add "127.0.0.1	api.simplify3d.com" to /etc/hosts for disabling Login.
3. Run "LD_PRELOAD=./Interface.so ./Simplify3D".

#VirusTotal
Interface.so                                                    www.virustotal.com/#/file/f77404f50785d8aa843442a91a281ca3f52752b1043faaaa2b0a56d840da6bf1
Simplify3D-4.0.1-linux-installer.run            www.virustotal.com/#/file/303ca470ffb997b6db5e02ff8448f7633dbd8c00c84dedcbaa2a3d8feb2c042c