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Chinese hackers have unleashed a never-before-seen Linux backdoor
(arstechnica.com)
This is a most excellent place for technology news and articles.
For the average person like me, having something like an antivirus is better than not on Linux. Especially since I tend to download various things outside of the default repository (i.e. Ankama Launcher which I've only ever seen as a appimage).
Though your advice is good, I couldn't go through with it without wanting to rip my hair out.