Sorry to hear the news that is grim.
I've got very paranoid since hearing it.
I secure my MetaMask with a Trezor - all my seed phrases are on two encrypted USBs (the data gets wiped after 6 incorrect attempts). (You might find the NANO interface infuriating btw, you'll see what I mean when you start having to deal with the piddly little toggle keys on the device).
Those seed phrases are the things to keep really secure and defo nowhere on your computer.
Glad to hear you're bouncing back immediately, it's all you can, do, get a plan to earn back those funds.
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