Did you just find a file that is digitally signed by Khachatur Petrosyan? If so, please read on.
You will typically see Khachatur Petrosyan 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 Khachatur Petrosyan certificate with the following steps:
Here is a screengrab of a file that has been signed by Khachatur Petrosyan:

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 Khachatur Petrosyan and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap 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 Khachatur Petrosyan, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the Khachatur Petrosyan certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Khachatur Petrosyan files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/47 | mfnspstd64.dll |
| 0/56 | HTTPDebuggerSvc.exe |
The detection percentage is based on that I have gathered 281 scan reports for the Khachatur Petrosyan files. 0 of these scan reports came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: