You don’t want a rootkit infection. Any malware compromise is bad, but rootkits—by their very nature—are especially nasty. The irony is that you might have a rootkit infection right now and not know it. That’s sort of the point of a rootkit.
Wikipedia defines it
: “A rootkit is a stealthy type of software, often malicious, designed to hide the existence of certain processes or programs from normal methods of detection and enable continued privileged access to a computer.” The term rootkit actually derives from Unix—where the administrator-level system privileges are called “root”—combined with “kit,” which is commonly used to refer to a package of software tools. On a Windows PC it might make more sense to call it a “kernelkit” or “adminkit,” but the term “rootkit” has stuck.
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