DISPLAYLINK - 0.051% Detection Rate *

Did you just run into a download or a file on your computer that has a digital signature from DISPLAYLINK? If that's the case, please read on.

You will typically see DISPLAYLINK when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the DISPLAYLINK certificate with the following procedure:

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

Here is a screenshot of a file signed by DISPLAYLINK:

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 DISPLAYLINK 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, and so on. You can also examine the address for DISPLAYLINK, such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA and VeriSign Class 3 Code Signing 2004 CA has issued the DISPLAYLINK certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

DISPLAYLINK Files

These are the DISPLAYLINK files I've collected, thanks to the FreeFixer users.

The FreeFixer tool treats files from DISPLAYLINK as trusted, which means that the DISPLAYLINK files will appear with a green background and that there is no removal checkbox for the file. However, as you can see in the scan results below, a few of the anti-virus scanners detects the DISPLAYLINK file(s). My guess is that those detections are false positives and that the files are safe. It's unlikely that DISPLAYLINK would ship a malware file.

Scanner and Detection Names

Here is the detection names for the DISPLAYLINK files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

As mentioned above, I think these detections are incorrect since it is very unlikely that DISPLAYLINK would ship a malware file.

* How the Detection Percentage is Calculated

The detection percentage is based on that I've gathered 5909 scan reports for the DISPLAYLINK files. 3 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan results by examining the files listed above.

Analysis Details

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

• 513a29f608ca60d8118e4f7d7ff22fe9
• 52631d6e586dcd47fb576ceeb88cd113
• 73d1492854f5a61b01ee5fe8c8a8505b
• 34db6aa76136ef66a8459b7ecd611691

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