An Incident Responder Receives a Call from a User Who

An incident responder receives a call from a user who reports a computer is exhibiting symptoms consistent with a malware infection. Which of the following steps should the responder perform NEXT?

A) Capture and document necessary information to assist in the response.
B) Request the user capture and provide a screenshot or recording of the symptoms.
C) Use a remote desktop client to collect and analyze the malware in real time.
D) Ask the user to back up files for later recovery.