Did you just stumble upon a file that has a digital signature from SingleClick Systems Corp? If so, please read on.
You will probably notice SingleClick Systems Corp when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the additional details from the SingleClick Systems Corp digital signature with the following steps:
Here's a screengrab of a file signed by SingleClick Systems Corp:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by SingleClick Systems Corp and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also see the address for SingleClick Systems Corp, such as the street name, city and country.
Go Daddy Secure Certification Authority has issued the SingleClick Systems Corp certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the SingleClick Systems Corp files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/55 | ans.exe |
The detection percentage is based on that I have gathered 55 scan reports for the SingleClick Systems Corp files. 0 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan results by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: