Stas Kosmov - 19% Detection Rate *

Did you just run into a download or a file on your computer that has a digital signature from Stas Kosmov? Some of the security products refers to the detected files as Application.Win32.InstalleRex.KG and Trojan.Win32.AntiFW.b. The detection rate for the Stas Kosmov files collected here is 19%. Please read on for more details.

You'll typically notice Stas Kosmov when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screencap shows:

You can view the additional details from the Stas Kosmov digital signature with the following steps:

1. Open up Windows Explorer and locate the Stas Kosmov 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 Stas Kosmov:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Stas Kosmov and that no one has tampered with the file.

If you click the View Certificate button shown in the screenshot 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, and so on. You can also see the address for Stas Kosmov, such as the street name, city and country.

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

Stas Kosmov Files

The following are the Stas Kosmov files I've collected, thanks to the FreeFixer users.

Scanner and Detection Names

Here's the detection names for the Stas Kosmov 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 gathered 53 scan reports for the Stas Kosmov files. 10 of these scan reports came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.

Analysis Details

The analysis has been done on certificates with the following serial numbers:

• 7a2834207c5588f506d3cf09661e12f2

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