ROSTPAY - 4% Detection Rate *

Did you just run into a download or a file on your computer that is digitally signed by ROSTPAY? Some of the security products refers to the detected files as Win32:Agent-AYCR [PUP] and Program.Unwanted.328. The detection rate for the ROSTPAY files collected here is 4%. Please read on for more details.

You'll probably notice ROSTPAY when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the ROSTPAY certificate with the following procedure:

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

Here is a screengrab of a file signed by ROSTPAY:

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 ROSTPAY and that the file has not been tampered with.

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 view the address for ROSTPAY, such as the street name, city and country.

Starfield Secure Certificate Authority - G2 has issued the ROSTPAY certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screengrab above.

ROSTPAY Files

These are the ROSTPAY files I have gathered, thanks to the FreeFixer users.

Scanner and Detection Names

Here's the detection names for the ROSTPAY 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 the fact that I have gathered 56 scan results for the ROSTPAY files. 2 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:

• 27ed6d593f8321

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