Created by anti-spyware software WinDetect:

• Version: 2.10.0

Possible suspicious files:

• %win_dir%\system32\drivers\sptd.sys

%win_dir%\system32\drivers\sptd.sys

• The file does not contain company name.
• The file is hidden. Most probably a rootkit hides this file. The file could belong to that rootkit.
• Starts at system boot.
• Registered as sptd.
more info ...