After checking the files to https://www.virustotal.com we found out that. It is not a malware, the antivirus also does warning about there is ccminer or mining engine that will help some people can do a solo mining from Advance --> Mining
detail: https://xeonbit.com/how-to-mine-xeonbit-solo-with-its-gui-wallet/

Conclusion, there is no malware in the exe files of WINx64 . Happy mining