rootkit

American  

[root-kit, root‑] / ˈrutˌkɪt, ˈrʊt‑ /

noun

1. malicious software that allows an unauthorized user to maintain access to a computer by concealing programs and processes, files, or data from the operating system.

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verb (used with or without object)

rootkitted, rootkitting

1. to install such software on (a computer, electronic device, etc.).

   I think my system has been rootkitted.

rootkit British  

/ ˈruːtˌkɪt /

noun

1. computing a set of programs used to gain unauthorized access to a computer's operating system, esp in order to destroy or alter files, attack other computers, etc

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Etymology

Origin of rootkit

First recorded in 1990–95; root ¹ (conventional name for the username or account of a UNIX administrator) + kit ¹

Example Sentences

ESET’s researchers say they found the hackers are now using a more sophisticated “rootkit” malware, known as LoJax, which embeds itself so deeply into a computer that it cannot be removed even if a computer’s operating system is reinstalled.

From Washington Times

A rootkit is malware that hides in the computer’s boot software and re-establishes itself each time you boot the computer.

From Seattle Times

Unless there’s a specific program to remove that rootkit — and I haven’t been able to find one in this case — the only way to remove it is to reformat the boot drive and reinstall your applications.

From Seattle Times

Here he covers malware, cleaning and rootkit.

From Seattle Times

If we were really this good at prosecuting corporate crime, we wouldn’t have to destroy capitalism Chad 1 is rung up for including a rootkit in the Evil Corp app, possibly inspired by Sony-BMG slipping rootkits onto audio CDs in 2005.

From The Verge