Did you just find a download or a file on your computer that is digitally signed by MindQuake Serviços de Informática Ltda.? If that's the case, please read on.
You will probably notice MindQuake Serviços de Informática Ltda. when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view additional details from the MindQuake Serviços de Informática Ltda. certificate with the following steps:
Here is a screenshot of a file that has been digitally signed by MindQuake Serviços de Informática Ltda.:

As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This means that the file has been published by MindQuake Serviços de Informática Ltda. and that no one has tampered with the file.
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, and so on. You can also examine the address for MindQuake Serviços de Informática Ltda., such as the street name, city and country.
UTN-USERFirst-Object has issued the MindQuake Serviços de Informática Ltda. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.
The following are the MindQuake Serviços de Informática Ltda. files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/43 | Argente02.lmd |
| 0/49 | Argente02.lmd |
Here is the detection names for the MindQuake Serviços de Informática Ltda. files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ClamAV | PUA.Packed.PECompact-1 |
| eSafe | Suspicious File |
The detection percentage is based on that I've collected 92 scan results for the MindQuake Serviços de Informática Ltda. files. 2 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 is done on certificates with the following serial numbers: