Kryptex is not a virus.
Ther are viruses, that generate cryptocurrency without users' consent. Hence some antivirus software block anything related with cryptocurrencies. When Kryptex is detected such AV software usually reports: "Not-A-Virus", "Potentially Unwanted Software (PUA)". An aggressive safety policies of such AV software implies, that the user must explicitly allow such software to work.
What can you do? Add Kryptex into the exclusion list. Kryptex works only when you allow it to. And you get the money, not any hackers.