Did you just run into a file that has been digitally signed by PCWINSOFT SOFTWARE INFORMATICA LTDA - ME? If that's the case, please read on.
You will probably notice PCWINSOFT SOFTWARE INFORMATICA LTDA - ME 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 additional details from the PCWINSOFT SOFTWARE INFORMATICA LTDA - ME certificate with the following steps:
Here is a screengrab of a file digitally signed by PCWINSOFT SOFTWARE INFORMATICA LTDA - ME:

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 PCWINSOFT SOFTWARE INFORMATICA LTDA - ME and that the file has not been tampered with.
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, etc. You can also examine the address for PCWINSOFT SOFTWARE INFORMATICA LTDA - ME, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the PCWINSOFT SOFTWARE INFORMATICA LTDA - ME certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screengrab above.
The following are the PCWINSOFT SOFTWARE INFORMATICA LTDA - ME files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/55 | SmUninst.exe |
The detection percentage is based on that I have collected 55 scan results for the PCWINSOFT SOFTWARE INFORMATICA LTDA - ME files. 0 of these scan reports came up with some sort of detection. You can review 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: