Did you just stumble upon a download or a file on your computer that is digitally signed by Shanghai Comet Network Technology? If that's the case, please read on.
You will typically see Shanghai Comet Network Technology when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for Shanghai Comet Network Technology with the following steps:
Here is a screencap of a file that has been signed by Shanghai Comet Network Technology:

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 Shanghai Comet Network Technology 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, etc. You can also view the address for Shanghai Comet Network Technology, such as the street name, city and country.
UTN-USERFirst-Object has issued the Shanghai Comet Network Technology certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Shanghai Comet Network Technology files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/48 | BitCometBHO_1.5.4.11.dll |
| 0/51 | BitCometService.exe |
| 0/44 | BitCometBHO_1.4.1.27.dll |
| 0/43 | BitCometBHO_1.4.6.22.dll |
| 0/43 | cometbird.exe |
| 0/41 | CometBird.exe |
| 0/49 | CrashReport.exe |
| 0/53 | CrashReport.exe |
| 0/54 | Updater.exe |
| 0/55 | IBitCometExtension.dll |
The detection percentage is based on the fact that I have gathered 481 scan reports for the Shanghai Comet Network Technology files. 0 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: