ROSTPAY LLC - 4% Detection Rate *

Did you just find a download or a file on your computer that has been digitally signed by ROSTPAY LLC? Some of the security products refers to the detected files as PE:Malware.XPACK/RDM!5.1 and Scan Failed... . The detection rate for the ROSTPAY LLC files collected here is 4%. Please read on for more details.

You will typically see ROSTPAY LLC when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where ROSTPAY LLC appears as the verified publisher in the UAC dialog

You can also view the ROSTPAY LLC certificate with the following steps:

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

Here is a screenshot of a file that has been digitally signed by ROSTPAY LLC:

Screenshot of the ROSTPAY LLC certificate

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 ROSTPAY LLC and that the file has not been tampered with.

If you click the View Certificate button shown in the screenshot 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 view the address for ROSTPAY LLC, such as the street name, city and country.

Thawte Code Signing CA - G2 has issued the ROSTPAY LLC certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screencap above.

ROSTPAY LLC Files

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

Detection RatioFile Name
2/50dupdater.exe

Scanner and Detection Names

Here is the detection names for the ROSTPAY LLC files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
RisingPE:Malware.XPACK/RDM!5.1
ViRobotScan Failed...

* How the Detection Percentage is Calculated

The detection percentage is based on that I have gathered 50 scan results for the ROSTPAY LLC files. 2 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 has been done on certificates with the following serial numbers:

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