Did you just run into a file that is digitally signed by China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch? If that's the case, please read on.
You will probably see China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch when double-clicking to run 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 China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch with the following procedure:
Here is a screengrab of a file signed by China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch and that no one has tampered with the file.
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 China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch files I have gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by China Mobile Group Guangdong Co., Ltd. Mobile Internet Branch.
| Detection Ratio | File Name |
|---|---|
| Not available | MessageCS.exe |
The analysis is done on certificates with the following serial numbers: