Did you just download a file that has a digital signature from Software Marketing Ltd and wonder if the file is safe? If so, please read on.
You will probably see Software Marketing Ltd when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for Software Marketing Ltd with the following steps:
Here is a screencap of a file that has been signed by Software Marketing Ltd:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Software Marketing Ltd and that no one has tampered with the file.
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 examine the address for Software Marketing Ltd, such as the street name, city and country.
Go Daddy Secure Certification Authority has issued the Software Marketing Ltd certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Software Marketing Ltd files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/43 | upccdefragsrv64.exe |
The detection percentage is based on that I've collected 43 scan results for the Software Marketing Ltd files. 0 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.
The analysis is done on certificates with the following serial numbers: