The file is typically the installer for the AMD Catalyst Control Center , a software suite used to manage graphics card settings. In the early 2010s, it was a staple for gamers and designers trying to squeeze every bit of performance out of their hardware. The Ghost in the Graphics Card
Downloads or Temp (not C:\ATI).It still exists on older machines (Pre-2015) using Radeon HD series cards. ccc2-install.exe
Canon, the renowned imaging and optical products manufacturer, has used similar naming conventions for its camera communication protocols. The "CCC" could stand for "Canon Camera Connect" or "Canon Communication Component." Version 2 of this component allows Canon digital cameras (especially PowerShot, EOS, and IXUS series) to interface with PC software for image transfer, remote shooting, and firmware updates. This is the most benign and legitimate use case. ccc2-install
If your drivers are installed but the control panel is missing, navigate to the file path above and run ccc2-install.exe manually as an administrator. The file is located in Downloads or Temp (not C:\ATI )
A common modern context for "ccc2_install.exe" is within the Radeon-ID project