Certified Ethical Hacker (CEH v11) — Question 63

Don, a student, came across a gaming app in a third-party app store and installed it. Subsequently, all the legitimate apps in his smartphone were replaced by deceptive applications that appeared legitimate. He also received many advertisements on his smartphone after installing the app.
What is the attack performed on Don in the above scenario?

Answer options

• A. SIM card attack
• B. Clickjacking
• C. SMS phishing attack
• D. Agent Smith attack

Correct answer: D

Explanation

The correct answer is Agent Smith attack, which involves malware replacing legitimate applications with malicious versions. The other options, such as SIM card attack, Clickjacking, and SMS phishing attack, do not accurately describe the scenario where existing apps are replaced with deceptive ones and the user experiences increased advertising.