One of my friends windows laptops (which I don't have access to right now) has in the recent past had a virus (where .doc files were converted to .exe files) which we dealt with.
Now when she right-clicks a folder to "send to compressed file" instead of creating a .zip file it creates an image file (jpg/png variety - will find out which). Is this known behaviour of a virus? I can't find anything anywhere about this kind of behaviour. Avast is not picking it up as a virus, but I can't imagine it being anything but a virus.
Where do I start to fix this?