220-1102 - Software Troubleshooting - Section 3.2

Troubleshoot common PC security issues and apply the best-practice malware-removal procedure.

Recognise PC security symptoms - redirected browser, unexpected pop-ups, certificate warnings, renamed system files, false antivirus alerts, and altered hosts files - and tie each to the underlying compromise. Apply the seven-step CompTIA malware-removal procedure in order: identify and verify symptoms, quarantine the system, disable System Restore, remediate, schedule scans and updates, re-enable System Restore and create a restore point, then educate the end user.

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