Blue Coat Systems, Inc. - 0% Detection Rate *

Did you just run into a file that has been digitally signed by Blue Coat Systems, Inc.? If so, please read on.

You'll typically see Blue Coat Systems, Inc. when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Blue Coat Systems, Inc. appears as the verified publisher in the UAC dialog

You can also view the Blue Coat Systems, Inc. certificate with the following steps:

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

Here's a screencap of a file digitally signed by Blue Coat Systems, Inc.:

Screenshot of the Blue Coat Systems, Inc. certificate

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Blue Coat Systems, Inc. and that no one has tampered with the file.

If you click the View Certificate button shown in the screencap 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 examine the address for Blue Coat Systems, Inc., such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA and VeriSign Class 3 Code Signing 2009-2 CA has issued the Blue Coat Systems, Inc. certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.

Blue Coat Systems, Inc. Files

These are the Blue Coat Systems, Inc. files I've gathered, thanks to the FreeFixer users.

Detection RatioFile Name
0/50bckd.sys
0/47bckd.sys
0/47bckd.sys
0/50bckd.sys
0/56bckd.sys
0/43bckd.sys
0/47bckd.sys
0/57k9filter.exe
0/43bckd.sys
0/44bckd.sys

* How the Detection Percentage is Calculated

The detection percentage is based on that I have collected 706 scan reports for the Blue Coat Systems, Inc. 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.

Analysis Details

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

Comments

No comments posted yet.

Leave a reply