Dropbox - 0.128% Detection Rate *

Did you just run into a file that is digitally signed by Dropbox? If that's the case, please read on.

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

You can view the digital signature details for Dropbox with the following steps:

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

Here is a screenshot of a file digitally signed by Dropbox:

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

If you click the View Certificate button shown in the screenshot above, you can examine 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 Dropbox, such as the street name, city and country.

Thawte Code Signing CA - G2 has issued the Dropbox certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Dropbox Files

These are the Dropbox files I've gathered, thanks to the FreeFixer users.

Scanner and Detection Names

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

* How the Detection Percentage is Calculated

The detection percentage is based on that I've collected 782 scan reports for the Dropbox files. 1 of these scan results came up with some sort of detection. If you like, you can review 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:

• 453ff3ac1fc25d1e03df15e903e61eb5
• 565b4bf666afce227b5ea8974ee61667

• Privacy Policy