Did you just stumble upon a file that is digitally signed by Bank of China Limited? If so, please read on.
You will typically see Bank of China Limited when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screencap shows:

You can view the digital signature details for Bank of China Limited with the following procedure:
Here's a screenshot of a file that has been digitally signed by Bank of China Limited:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Bank of China Limited and that the file has not been tampered with.
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 see the address for Bank of China Limited, such as the street name, city and country.
VeriSign Class 3 Code Signing 2009-2 CA and VeriSign Class 3 Code Signing 2004 CA has issued the Bank of China Limited certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Bank of China Limited files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/46 | ProcessProtection.dll |
| 0/42 | ProcessProtection.dll |
| 0/47 | ProcessProtection.dll |
| 0/43 | protectora.sys |
| 0/42 | protector.sys |
| 0/41 | protector.sys |
| 0/38 | protector.sys |
| 0/55 | protectora.sys |
| 0/42 | protectora.sys |
| 0/62 | protectora.sys |
The detection percentage is based on the fact that I have collected 458 scan results for the Bank of China Limited files. 0 of these scan reports came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: