CompTIA Security+ Exam SY0-601: Identifying Malware Types

Identifying Malware Types

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Question

Ann, a user, states that her machine has been behaving erratically over the past week.

She has experienced slowness and input lag and found text files that appear to contain pieces of her emails or online conversations with coworkers.

The technician runs a standard virus scan but detects nothing.

Which of the following types of malware has infected the machine?

Answers

Explanations

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A. B. C. D.

D.

Based on the symptoms described, the most likely type of malware that has infected Ann's machine is a keylogger. A keylogger is a type of malicious software that records every keystroke made on a computer, including usernames, passwords, and other sensitive information.

The slowness and input lag that Ann is experiencing could be due to the fact that the keylogger is constantly running in the background, recording her keystrokes and using up system resources.

The fact that Ann found text files containing pieces of her emails or online conversations with coworkers is also indicative of a keylogger. Keyloggers are often designed to send the recorded keystrokes to a remote attacker, who can then use the stolen information for malicious purposes.

It's important to note that a standard virus scan may not detect a keylogger, as they are often designed to be stealthy and avoid detection. A more thorough scan using specialized anti-malware software may be necessary to detect and remove the keylogger.

In summary, based on the symptoms described, the type of malware that has infected Ann's machine is most likely a keylogger.

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