manik6076 Said:
"Virus detected in Mac: My mac is showing these notifications like virus detected, viruses found,Torjon.win.32.generic detected click here to renew subscription. Can someone please guide me to how to resolve this."
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It is a Scam:
What you are reporting is a scam. So, report it to Apple (and to your federal government, if desired) modify your credentials.
Do as I've Instructed here: Using the Photos App to Report Scams - User Tips
Did you Interact with it?
If you did not interact with the messages, then you can ignore it. If you did (i.e. Provide personal info), then you may need to take thinks a step further.
Modifying your Credentials:
Having so much suspicion, consider modifying your credentials, ASAP, starting with a new password.