Malware
win.pyfiledel
Py2exe built worm propagating via USB drives, having wiper features embedded in the logic (based on today's date being later than 2016-04-03 and existence of a file C:\txt.txt)
win.pyfiledel is a Windows malware family.
Background
A Py2exe-compiled worm that spreads through USB drives and embeds wiper behavior in its logic, triggered when the current date is past 2016-04-03 and the file C:\txt.txt is present.
Source: Malpedia (Fraunhofer FKIE).