Did you just stumble upon a file that is digitally signed by PRIMAX ELECTRONICS LTD.? If so, please read on.
You will probably notice PRIMAX ELECTRONICS LTD. when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the PRIMAX ELECTRONICS LTD. certificate with the following procedure:
Here is a screengrab of a file that has been signed by PRIMAX ELECTRONICS LTD.:

As you can see in the screencap above, Windows states that "This digital signature is OK". This implies that the file has been published by PRIMAX ELECTRONICS LTD. and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can see 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 PRIMAX ELECTRONICS LTD., such as the street name, city and country.
Symantec Class 3 SHA256 Code Signing CA has issued the PRIMAX ELECTRONICS LTD. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the PRIMAX ELECTRONICS LTD. files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/56 | ICO.EXE |
| 0/72 | ICO.EXE |
The detection percentage is based on that I have gathered 128 scan results for the PRIMAX ELECTRONICS LTD. files. 0 of these scan results 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: