we are investigating the military secret's leaking.
we found traffic with leaking secrets while monitoring the network.
Security team was sent to investigate, immediately. But, there was no one present. 
It was found by forensics team that all the leaked secrets were completely deleted by wiping tool.
And the team has found a leaked trace using potable device.
Before long, the suspect was detained. But he denies allegations.


Now, the investigation is focused on potable device.
The given files are acquired registry files from system.
The estimated time of the incident is Mon, 21 February 2011 15:24:28(KST).
Find a trace of portable device used for the incident.


The Key : "Vendor name" + "volume name" + "serial number" (please write in capitals)