Did you just find a file that has been digitally signed by Digital Volcano software Ltd? If that's the case, please read on.
You will typically notice Digital Volcano software Ltd when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for Digital Volcano software Ltd with the following steps:
Here is a screenshot of a file digitally signed by Digital Volcano software 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 Digital Volcano software Ltd 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, and so on. You can also view the address for Digital Volcano software Ltd, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the Digital Volcano software Ltd certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Digital Volcano software Ltd files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/48 | DuplicateCleaner.exe |
The detection percentage is based on the fact that I've gathered 48 scan reports for the Digital Volcano software Ltd files. 0 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: