Did you just stumble upon a download or a file on your computer that is digitally signed by Altrix Software Ltd? If so, please read on.
You will typically see Altrix Software 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 also view the Altrix Software Ltd certificate with the following procedure:
Here's a screengrab of a file signed by Altrix Software Ltd:

As you can see in the screengrab above, Windows reports that "This digital signature is OK". This means that the file has been published by Altrix Software Ltd 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, etc. You can also see the address for Altrix Software Ltd, such as the street name, city and country.
COMODO Code Signing CA 2 and COMODO RSA Code Signing CA has issued the Altrix Software Ltd certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Altrix Software Ltd files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/57 | hddinsp.exe |
| 0/56 | HDDSvc.exe |
The detection percentage is based on that I've collected 113 scan reports for the Altrix Software Ltd files. 0 of these scan reports came up with some sort of detection. 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: