Accidentally downloaded malware that might be stealing information

Please run Etrecheck and post its full report here.

Use the “additional text” button and paste the report into the text box.

Etrecheck is a diagnostic utility and its report will let us know if you have anything installed that looks suspicious.

You need to talk to Apple Support / Apple Store about arranging a diagnostic test.

If you wish to scan your system, Malwarebytes is endorsed by many users in this group and all you need to do is download the free version and run it.

If you have Time Machine and you know the date when you think you were infected you could restore back to before then, however your compromised accounts remain in their latest state regarding password changes etc.

Q - " I am assuming that the hackers managed to get remote access into my accounts and duplicate everything and intercept information coming in. "

A - Hackers would need Directly Physical Access to this computer and have the Computer Password to plant the " Bad Actor " Software on this computer

A - Additionally, and specific to Big Sur macOS 11 and Monterey macOS 12, the Operating System resides in a Sealed and Read Only Volume that can not be opened by the User and protects against from “ Bad Actor “ Software.

A - There is Adware & Malware which will affect the computer and is generally downloaded from “ Shady “ Websites or Developers who Inject this software into the download.

Should “ Certain & Specific Software “ referenced from above be installed - it will negatively impact macOS. It is suggested, download directly from the Developer , the application Malwarebytes for Mac. 

It is free or paid for added features. 

Run the Application and it should remove the malware / adware.

Once done, restart computer and test.

Run malwarebytes to scan your system

Also: the 2fa via Facebook/instagram it self can be easily passed in my experience. Use an authenticator app instead