Did you just run into a download or a file on your computer that is digitally signed by PJLM Software Inc.? If so, please read on.
You will probably notice PJLM Software Inc. when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the PJLM Software Inc. certificate with the following procedure:
Here is a screenshot of a file signed by PJLM Software Inc.:

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This implies that the file has been published by PJLM Software Inc. 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 PJLM Software Inc., such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the PJLM Software Inc. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the PJLM Software Inc. files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/56 | pafmice.exe |
The detection percentage is based on the fact that I have gathered 56 scan results for the PJLM Software Inc. files. 0 of these scan reports came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: