atieclxx.exe is a program which is probably legit. So, if atieclxx.exe is on your system, it is probably ok, and will NOT be a cause for concern. Even if your system is clean, we still advise you to purchase a good antivirus with a good track record, in order to yourself your PC against threats.
Usually, the default name and path where the program is stored is
The MD5 fingerprint for this program is a0292ca9345d1e52c29dc8d75ac66e73.
This program is NOT registered as a Windows service. This is very good.
64-bit code has been detected. This program can exploit the full power of a modern computer cpu.
This task does NOT have visible windows. This is usually a bad sign.
atieclxx.exe is digitally signed. Today the large majority of legit programs are digitally signed.
The digital signature extracted from atieclxx.exe checks out perfectly. This is very good.
Digital certificate name: Microsoft Windows Hardware Compatibility Publisher
Certificate's issuer name: Microsoft Windows Third Party Component CA 2012
This application does NOT have an uninstall command stored in registry.