After installing Spybot Anti-Beacon 4.1 I get the following
message.

Spybot Anti-Beacon Signed Driver.PNG

Here is the file locations:

C:\Program Files (x86)\Safer-Networking Ltd\Spybot Anti-Beacon\x64\WinDivert.dll
C:\Program Files (x86)\Safer-Networking Ltd\Spybot Anti-Beacon\x64\WinDivert64.sys

C:\Program Files (x86)\Safer-Networking Ltd\Spybot Anti-Beacon\x86\WinDivert.dll
C:\Program Files (x86)\Safer-Networking Ltd\Spybot Anti-Beacon\x86\WinDivert32.sys
C:\Program Files (x86)\Safer-Networking Ltd\Spybot Anti-Beacon\x86\WinDivert64.sys

I would like to know what this driver does?

I am running Win7 Pro x64.