Threat revealed in Finder but cannot be deleted. Catalina 10.15.7

Bowes
Bowes

I use an external Samsung SSD for my back up time machine.

In a deep system scan, over 30 files were flagged as threats, ranging from Gen:Variant through to VB:Trojan.Valyria.314.

All of these failed disinfectant and could not be moved to quarantine.

When revealed in finder, they cannot be deleted. Apple message: "backup items cannot be modified" .

In Finder, although I can unlock permissions, I cannot change 'Read only' to 'Read & write' so cannot delete the file that way.

Is there any workaround to this?



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