SW2010-2013.Activator.SSQ.exe (also commonly found with "GUI" in the name) is a third-party software activation tool developed by a group known as SolidSquad

Back between 2010 and 2013, SolidWorks was making a massive push into more complex simulation and "lifecycle management." For a freelance engineer or a broke student at the time, getting a legal seat of SolidWorks was nearly impossible due to the five-figure price tag.

Conclusion

She didn’t plan to run it. Curiosity, though, is a patient thief. Late that night, with rain strobing against the windows, she copied the file to an isolated virtual machine and watched the icon’s little progress bar begin to creep.