found possible dangerous exc file on my new thumb drive

I just opened my my replacement p3p. When i checked the thumb drive that came with it i found qBqOLvaK.exe on it. my system flagged it.

Category: Virus

Description: This program is dangerous and replicates by infecting other files.

Recommended action: Remove this software immediately.

Items:

file:K:\RECYCLER\S-4-4-86-1545755236-5778700580-811118114-6748\qBqOLvaK.exe

why was this on the thumb drive you gave to me?