Correct Answer. C. Ensure the antivirus software is updated Before running a malware scan, it is crucial to update the antivirus software to ensure that the scan can identify and mitigate the latest threats effectively.
Option A is incorrect because opening files could potentially activate malicious software.
Option B is incorrect as disconnecting from the internet should not be necessary before updating and running a malware scan.
Option D is incorrect as deleting files without proper analysis may result in the loss of important data and does not guarantee the removal of malware.