A customer calls and reports that upon launching the Windows built-in calculator application a UAC dialog appears requiring the customer to enter the password for administrative access. Which of the…

The correct answer is C. Ransomware is present on the system. The marked answer is ransomware (C), with the reasoning that ransomware can replace or tamper with system executables-including built-in Windows applications like the calculator-substituting malicious versions that require elevated privileges and thus trigger a UAC prompt. This…

Hardware and network troubleshooting

Question

A customer calls and reports that upon launching the Windows built-in calculator application a UAC dialog appears requiring the customer to enter the password for administrative access. Which of the following is MOST likely to be causing this?

Options

AThe system has a Trojan infection.
BThe parental controls have been enabled.
CRansomware is present on the system.
DOnly administrators can run the calculator application.

How the community answered

(48 responses)

A
4% (2)
B
6% (3)
C
77% (37)
D
13% (6)

Explanation

The marked answer is ransomware (C), with the reasoning that ransomware can replace or tamper with system executables-including built-in Windows applications like the calculator-substituting malicious versions that require elevated privileges and thus trigger a UAC prompt. This behavior is a sign that system binaries have been modified. However, this explanation is worth scrutinizing: a Trojan (A) is equally or more commonly associated with replacing legitimate executables, while ransomware typically focuses on file encryption. If you encounter this scenario on an actual exam, note that unexpected UAC prompts for standard system utilities are a classic indicator of malware that has modified system files.

Topics

#UAC#ransomware#malware detection#Windows security

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