Certified Ethical Hacker (CEH v11) — Question 186

The network users are complaining because their systems are slowing down. Further, every time they attempt to go to a website, they receive a series of pop-ups with advertisements. What type of malware have the systems been infected with?

Answer options

• A. Trojan
• B. Spyware
• C. Virus
• D. Adware

Correct answer: D

Explanation

The correct answer is D, Adware, as it specifically causes unwanted advertisements to appear on users' screens. While Trojans, Spyware, and Viruses can also affect system performance, they do not primarily generate pop-ups for advertisements, which is the main symptom described in this scenario.