A technician performs a virus cleaning on a computer that has been redirecting all browsers to a phishing website. System Restore was turned off before the cleaning. The technician runs the machine through several scanners, and then tests for redirection. A smaller number of sites are still redirecting to the phishing website. The antivirus software correctly blocks the website. Which of the following should the technician do NEXT?
A. Check the contents of the hosts file
B. Do a System Restore to a date before the infection
C. Rerun the antivirus scan with higher sensitivity
D. Rebuild the OS on the machine
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(Question says “sites are still redirecting to the phishing website.”)
A. Check the contents of the hosts file – DNS is checked locally first in the hosts file
NOT B – Doesn’t say System Restore was turned back on – but if it was, that would restore the clean hosts file.