Did you just run into a download or a file on your computer that has been digitally signed by ASCON JSC? If that's the case, please read on.
You'll typically see ASCON JSC when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the ASCON JSC certificate with the following steps:
Here is a screenshot of a file signed by ASCON JSC:

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 ASCON JSC and that the file has not been tampered with.
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, etc. You can also see the address for ASCON JSC, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the ASCON JSC certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the ASCON JSC files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/55 | kThumb.DLL |
| 0/56 | kAssist.exe |
The detection percentage is based on the fact that I've gathered 111 scan reports for the ASCON JSC files. 0 of these scan reports 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 is done on certificates with the following serial numbers: