A snap package is containerised so unless you installed a classic snap (requires flags) its like putting a dead dog infested with rabies inside a lockbox and complaining about the potential dangers of it spreading.
dlalinsp By the way, if you search for the terms 'linux malware', you may get some more proof.
An if you search for sore foot, you'll find its most definitely cancer an you probably have 1 week to live. Welcome to the internet.
If you download random shit from the internet and execute it with elevated privileges that's on you. Just like the people who bypass password minimum complexity and complain that their system was compromised... Well you removed a layer of security why are you surprised?
Many viruses don't get detected even on Windows, look at AV reviews. An what they do detect is often a false positive. It's security theatre, it makes you feel safer, but if you're doing dumb shit, you're no more secure with it then you were without. You can always install it yourself, seeing you're apparently downloading random stuff enough to be concerned about it in the first place.