Did you just run into a download or a file on your computer that has a digital signature from LG Electronics? If so, please read on.
You will probably see LG Electronics when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screencap shows:

You can view the digital signature details for LG Electronics with the following steps:
Here is a screenshot of a file signed by LG Electronics:

As you can see in the screengrab above, Windows reports that "This digital signature is OK". This implies that the file has been published by LG Electronics and that no one has tampered with the file.
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, and so on. You can also view the address for LG Electronics, such as the street name, city and country.
VeriSign Class 3 Code Signing 2009-2 CA and VeriSign Class 3 Code Signing 2010 CA has issued the LG Electronics certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screencap above.
These are the LG Electronics files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/43 | VZWUAAgent.exe |
| 1/51 | B2CAppSetup.exe |
| 2/44 | LGMLauncher.exe |
| 0/46 | LGUserCSTool.exe |
| 0/53 | VZWNotiAgent.exe |
| 0/47 | B2CNotiAgent.exe |
| 0/46 | LGUserCSTool.exe |
| 0/42 | B2CNotiAgent.exe |
| 0/47 | VZWUAAgent.exe |
Here's the detection names for the LG Electronics files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Antiy-AVL | Trojan/Win32.Genome |
| Prevx | Low Risk Adware |
| TrendMicro-HouseCall | TROJ_GEN.F47V0720 |
| eSafe | Virus in password protected archive |
The detection percentage is based on the fact that I've collected 514 scan reports for the LG Electronics files. 4 of these scan results came up with some sort of detection. You can view 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: