The Qt Company Oy Publisher Information

Did you just find a file that has a digital signature from The Qt Company Oy? If that's the case, please read on.

You will typically notice The Qt Company Oy when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where The Qt Company Oy appears as the verified publisher in the UAC dialog

You can view additional details from the The Qt Company Oy certificate with the following procedure:

  1. Open Windows Explorer and locate the The Qt Company Oy file
  2. Right-click the file and select Properties
  3. Click on the Digital Signatures tab
  4. Click on the View Certificate button

Here is a screenshot of a file signed by The Qt Company Oy:

Screenshot of the The Qt Company Oy certificate

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by The Qt Company Oy and that no one has tampered with the file.

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 examine the address for The Qt Company Oy, such as the street name, city and country.

Entrust Extended Validation Code Signing CA - EVCS1 and thawte SHA256 Code Signing CA has issued the The Qt Company Oy certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.

The Qt Company Oy Files

The following are the The Qt Company Oy files I have collected, thanks to the FreeFixer users.At the moment there's no scan result available for any of the The Qt Company Oy files, but they have been queued for scanning. Please reload this page in 5-10 minutes to check if the scan result is available.

Detection RatioFile Name
Queued for scan..Qt5Network.dll
Queued for scan..qwindowsvistastyle.dll
Not availableqt-unified-windows-x86-2.0.3-1-online.exe
Not availableQt5Gui.dll

Analysis Details

The analysis is done on certificates with the following serial numbers:

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