The file offered for download for the Ender 5 by the 3D printer manufacturer Creality Ender-5 SD Card File.zip When unpacking, copying or moving on a Windows PC, Windows’ own anti-virus program sounds an alarm. 
The file contains the software package that is normally supplied with the device on an SD card. If you buy the Crealtity Ender 5 used without an SD card or want to update your printer, you should be careful.
After the last Windows update, the Trojan Occamy.C9C found that Microsoft classifies as serious.
Before the update, the Trojan Counted have hidden in the archive.
Make has asked Creality to comment on whether it is a real or a false positive.
The answer is still pending.
The refore caution is indicated.
(hgb)
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https://www.heise.de/news/Trojaner-Alarm-bei-3D-Drucker-Software-von-Creality-5061290.html
Trojan horse alert Crealitys printer software
