Did you just stumble upon a download or a file on your computer that has been digitally signed by Doctor website, OOO? If that's the case, please read on.
You will probably notice Doctor website, OOO when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Doctor website, OOO certificate with the following steps:
Here is a screenshot of a file signed by Doctor website, OOO:

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 Doctor website, OOO 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 Doctor website, OOO, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the Doctor website, OOO certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Doctor website, OOO files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/57 | HomePageDefSrv.exe |
The detection percentage is based on that I've gathered 57 scan reports for the Doctor website, OOO files. 0 of these scan results came up with some sort of detection. 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: