Did you just download a file that is digitally signed by BANCO SANTANDER BRASIL SA and wonder if the file is safe? If that's the case, please read on.
You will probably notice BANCO SANTANDER BRASIL SA 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 BANCO SANTANDER BRASIL SA certificate with the following steps:
Here is a screengrab of a file that has been digitally signed by BANCO SANTANDER BRASIL SA:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by BANCO SANTANDER BRASIL SA 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 view the address for BANCO SANTANDER BRASIL SA, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA and VeriSign Class 3 Code Signing 2009-2 CA has issued the BANCO SANTANDER BRASIL SA certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.
The following are the BANCO SANTANDER BRASIL SA files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 2/57 | gbiehabn.dll |
| 1/50 | gbpsv.exe |
| 1/53 | GbpSv.exe |
| 1/56 | gbiehabn.dll |
| 1/49 | gbiehAbn.dll |
| 1/42 | gbiehAbn.dll |
| 0/49 | gbiehabn.dll |
| 0/54 | gbiehAbn.dll |
| 0/50 | gbpsv.exe |
| 0/43 | gbpkm.sys |
| 0/55 | gbiehabn.dll |
Here is the detection names for the BANCO SANTANDER BRASIL SA files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Agnitum | Packed/PECompact |
| ByteHero | Trojan.Spy.Gen.e |
| CMC | Heur.Win32.Obfuscated.1!O |
| DrWeb | BACKDOOR.Trojan |
| McAfee-GW-Edition | Heuristic.BehavesLike.Win32.Suspicious-BAY.G |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0126 |
The detection percentage is based on the fact that I have collected 811 scan results for the BANCO SANTANDER BRASIL SA files. 7 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: