Files with serpent suffix can be most often found as files which have been affected by the Serpent ransomware.
SERPENT file extension - Serpent ransomware affected file
What is serpent file? How to open serpent files?
File type specification:
File extension serpent seems to mainly related to Serpent ransomware, which appeared first in February 2017.
Serpent Ransomware seems to be distributed via SPAM emails that focus on Danish victims. The spam emails have a subject like "Sidste påmindelse for udestående faktura 1603750" and contain a link to MS Word document that the victim has to download.
