Unknown folders on external drive?
Recently, in one of my external hard drives, the following folders have appeared in the drive root:
7fb7dac2bb16c4aa9c7238e97b5bcc7c empty
65c8d890d8d994d8302e43b3f93c empty
531a420f86442b4ff51cdb7b 'Setup.exe' inside
629d83dea8849fbf3adb1b have to open with 'admin', folder 'amd64' inside
ab9251f6adfb6282d66a83a8 have to open with 'admin', folder 'amd64' inside
b8854913dead8cf1a6
Anyone know how and why they appeared, what they are for, and is it safe to delete them?
Thanks!
Win 7 64bit