Virus scanners only work if you scan file BEFORE they get to your system, Or immediately when they are downloaded or something like that. Once they are executed then all bets are off and virus scanners are easily nullified by the attacker.

For malicious software things like virus scanners/malware scanners/rootkit scanners and the like are just speedbumps. They make attackers lives harder and force them to jump though hoops, but it doesn't actually stop them.

These sorts of tools often screw over more people then they help because they give a false sense of security. People run the scans, scans come up clean, and they think they are good. But this is never really worked. Not even in Windows.

This is why, if you ever worked in Windows IT years ago, there would always be people's PCs that get infected over and over and over again even after IT 'cleaned them up'. The IT folks often assume it is the user being stupid or visiting porn sites at work or whatever. But the reality is very likely they never actually found and deleted the malicious software in the first place. They are the ones being the idiots because the only way to be sure is to reinstall the machine and restore user data from backups.

So I don't really know what you think that virus scanners are going to accomplish here or how you expect them to actually work.

It is very likely you are severely underestimating the work required to make these things work effectively and overestimating the effectiveness of them.

Things like Android sandboxing and use of SELinux has proven to be more effective.