Did you just run into a download or a file on your computer that has been digitally signed by DDSoft Co. Ltd? If so, please read on.
You will typically notice DDSoft Co. Ltd 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 additional details from the DDSoft Co. Ltd digital signature with the following procedure:
Here is a screencap of a file digitally signed by DDSoft Co. Ltd:

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 DDSoft Co. Ltd 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 see the address for DDSoft Co. Ltd, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the DDSoft Co. Ltd certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the DDSoft Co. Ltd files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/57 | EzSSStation.exe |
Here's the detection names for the DDSoft Co. Ltd files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Zillya | Backdoor.FreakCRTD.Win32.4406 |
The detection percentage is based on the fact that I have gathered 57 scan reports for the DDSoft Co. Ltd files. 1 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: