Exam 212-82 topic 1 question 39 discussion

The IH&R team in an organization was handling a recent malware attack on one of the hosts connected to the organization's network. Edwin, a member of the IH&R team, was involved in reinstating lost data from the backup media. Before performing this step, Edwin ensured that the backup does not have any traces of malware.
Identify the IH&R step performed by Edwin in the above scenario.