Answer:
yes, Rootkits belong to malware that include certain programs undiscovered so as to destroy computer system. Usually, it is hard to find out Rootkit because it cannot only hide itself but also virus, malware or spyware. Although Rootkits are used with good will initially, hackers turn them into malware and then attack others' computer. Once affected Rootkits, your computer may be suffered from inexplicable problems even unable to boot up.