Did you just stumble upon a file that has a digital signature from Sergey Akimov? If so, please read on.
You will probably see Sergey Akimov when clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Sergey Akimov certificate with the following steps:
Here's a screengrab of a file that has been digitally signed by Sergey Akimov:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Sergey Akimov 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 view the address for Sergey Akimov, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the Sergey Akimov certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Sergey Akimov files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/59 | TagsForAll.exe |
The detection percentage is based on the fact that I've gathered 59 scan reports for the Sergey Akimov files. 0 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: