seawolf1 wrote:
I have a virus that is undetectable by the usual viral checkers
Typically if you Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus your "undetectable by the usual viral checkers" problem will be gone. Full Stop.
all known to cause issues on the macOS
Third party AntiVirus is not recommended— it typically does nothing but add issues to the macOS and competes directly with Apple’s own built in security:
macOS antivirus - Protecting against malware in macOS - Apple Support
macOS - Security - Apple macOS - Security - Apple
Apple Platform Security - Apple Apple Platform Security - Apple Support
Protecting against malware in macOS
Protecting against malware in macOS - Apple Support
Recognize and avoid phishing messages, phony ...
Recognize and avoid social engineering schemes including phishing messages, phony support calls, and other scams - Apple Support
Effective defenses against malware and other threats… - Apple Community
Effective defenses against malware and ot… - Apple Community
for your M-series mac
How to reinstall macOS
Recovery (both M1/M2/M3/M4 and Intel) — How to reinstall macOS - Apple Support