Did you just stumble upon a download or a file on your computer that is digitally signed by Snap-on? If so, please read on.
You will probably see Snap-on when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the digital signature details for Snap-on with the following procedure:
Here's a screenshot of a file that has been signed by Snap-on:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Snap-on and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can view all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, etc. You can also examine the address for Snap-on, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA and Symantec Class 3 SHA256 Code Signing CA has issued the Snap-on certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Snap-on files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/55 | icon_XtApplicationLauncher.exe |
| 0/57 | M1-SK.exe |
The detection percentage is based on the fact that I've collected 112 scan reports for the Snap-on files. 0 of these scan reports came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: