are these from a virus?

Fortitude

Reputable
Jun 19, 2014
201
0
4,680
was looking in my recycle bin, and there were a bunch of no-access files(which is odd because I am an administrator on my computer. they all had names similar to this.
S-1-5-21-4266113743-3630343608-638757593-500
 

Fortitude

Reputable
Jun 19, 2014
201
0
4,680
I tried to copy and paste one to access it and they all contained desktop.ini files. Seems even more fishy now because they are either completely harmless or completely horrible.