I just zipped the folder I had, didn't delete or modify anything in it.
I dunno if virus scans are needed, but here they are:
x3.xem: https://virusscan.jotti.org/en/scanre...633a074244bab8 and https://www.virustotal.com/en/file/8...1964/analysis/
xm.exe: https://virusscan.jotti.org/en/scanre...7dce0cbbbd4fca and https://www.virustotal.com/en/file/b...16cd/analysis/
xmag.xem: https://virusscan.jotti.org/en/scanre...791ed1ee76b28e and https://www.virustotal.com/en/file/4...is/1403502045/
xnina.xem: https://virusscan.jotti.org/en/scanre...dbbf7ca7745aba and https://www.virustotal.com/en/file/d...is/1403502051/
xxd-0.xem: https://virusscan.jotti.org/en/scanre...d155b82d859e10 and https://www.virustotal.com/en/file/b...f139/analysis/