VTFON - 35% Detection Rate *

Did you just find a download or a file on your computer that has a digital signature from VTFON? Some of the security products refers to the detected files as Gen:Trojan.Heur.TP.YPX@bG@NzYic and Trojan.Zadved.685. The detection rate for the VTFON files collected here is 35%. Please read on for more details.

You'll probably see VTFON when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

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

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

Here's a screenshot of a file that has been digitally signed by VTFON:

As you can see in the screencap above, Windows states that "This digital signature is OK". This means that the file has been published by VTFON and that the file has not been tampered with.

If you click the View Certificate button shown in the screengrab above, you can view 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 view the address for VTFON, such as the street name, city and country.

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

VTFON Files

The following are the VTFON files I have collected, thanks to the FreeFixer users.

Scanner and Detection Names

Here's the detection names for the VTFON 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 have collected 57 scan results for the VTFON files. 20 of these scan results 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 done on certificates with the following serial numbers:

• 00bd506dce6637094be4c167c3a70aa38f

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