Did you just run into a file that has been digitally signed by PearlMountain Technology Co., Ltd? If so, please read on.
You'll probably notice PearlMountain Technology Co., Ltd when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the PearlMountain Technology Co., Ltd certificate with the following procedure:
Here's a screenshot of a file signed by PearlMountain Technology Co., Ltd:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by PearlMountain Technology Co., Ltd and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine 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 examine the address for PearlMountain Technology Co., Ltd, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the PearlMountain Technology Co., Ltd certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the PearlMountain Technology Co., Ltd files I've gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the PearlMountain Technology Co., Ltd files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by PearlMountain Technology Co., Ltd.
| Detection Ratio | File Name |
|---|---|
| Not available | PictureCollageMaker.exe |
The analysis is based on certificates with the following serial numbers: