Filefasten - 7% Detection Rate *

Did you just run into a download or a file on your computer that has a digital signature from Filefasten? Some of the security products refers to the detected files as AdKnowledge (fs) and Generic.E68. The detection rate for the Filefasten files collected here is 7%. Please read on for more details.

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

You can view additional details from the Filefasten certificate with the following procedure:

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

Here's a screenshot of a file digitally signed by Filefasten:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Filefasten and that the file has not been tampered with.

If you click the View Certificate button shown in the screencap 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 Filefasten, such as the street name, city and country.

COMODO Code Signing CA 2 has issued the Filefasten certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Filefasten Files

The following are the Filefasten files I have gathered, thanks to the FreeFixer users.

Scanner and Detection Names

Here is the detection names for the Filefasten files. I have 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 160 scan results for the Filefasten files. 11 of these scan reports came up with some sort of detection. 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:

• 00ebf4a48710aa5ef66f2cad04563a6de5

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