Did you just stumble upon a file that has been digitally signed by ManyCam LLC? If so, please read on.
You'll typically notice ManyCam LLC when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view additional details from the ManyCam LLC certificate with the following procedure:
Here's a screenshot of a file that has been signed by ManyCam LLC:

As you can see in the screencap above, Windows reports that "This digital signature is OK". This means that the file has been published by ManyCam LLC 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 view the address for ManyCam LLC, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the ManyCam LLC 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 ManyCam LLC files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/56 | ManyCamWebInstaller.exe |
| 0/47 | cximagecrt100.dll |
The detection percentage is based on the fact that I've gathered 103 scan reports for the ManyCam LLC files. 0 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 is based on certificates with the following serial numbers: