On Wilders
@NoVirusThanks discussed in an OSArmor post why PrivaZer causes these kind of warnings.
They use system processes commonly abused by malware and ransomware:
I have only had the standard account for 2 days. When i see high cpu i end it in task manager and then start OSA protection again only to see it go...
www.wilderssecurity.com
You will see the same with PrivaZer and VoodooShield.
So, IMO the detection of AppCheck is correct and maybe you can set some exclusions for PrivaZer or find another tool to use.