This, for example: http://en.wikipedia.org/wiki/Whitespace_(programming_language)

http://live.sunbeltsoftware.com/ Extract it to the USB drive then run it on the offending PC. The only issue that might arise, is that two files are coped to the C: drive before the scan starts. One to C:\Windows\ the other to C:\windows\system32\ Both are necessary for the scanner to work properly.

At my job, when we find something shady going on, we simply inform HR and give them the needed information. They take it from there, and we don't have to leave the dungeon. :)