Malware vaccination tricks are offered for various sorts and families of malware, but can and should we use them? What are the pros and cons? Read all about it. The malware checks for the presence of certain files or registry keys as a sign that the machine should not be infected. And users make sure those keys or files are present as a security measure. But the methods that some vaccines require are of no real use unless you are especially afraid of one certain type of malware. Some of these vaccines would require automation IMHO. IMHO the same is true for putting all kinds of files on your system that supposedly work.”]