Which type of malware modifies the core system files of an operating system to grant administrative access to an attacker while completely hiding its own presence?

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A Ransomware
B Trojan Horse
C Rootkit
D Spyware

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Answer: C. Rootkit

• Answer: C) Rootkit
• Explanation: Rootkits are specifically engineered to subvert system architectures and hide from traditional antivirus software by running at the administrative (root) level.

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Which type of malware modifies the core system files of an operating system to grant administrative access to an attacker while completely hiding its own presence?

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