Duplex Secure Ltd - 1.1% Detection Rate *

Did you just find a file that is digitally signed by Duplex Secure Ltd? If that's the case, please read on.

You will typically see Duplex Secure Ltd when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Duplex Secure Ltd appears as the verified publisher in the UAC dialog

You can view the additional details from the Duplex Secure Ltd digital signature with the following procedure:

  1. Open up Windows Explorer and locate the Duplex Secure Ltd 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 signed by Duplex Secure Ltd:

Screenshot of the Duplex Secure Ltd certificate

As you can see in the screengrab above, Windows reports that "This digital signature is OK". This implies that the file has been published by Duplex Secure Ltd and that no one has tampered with the file.

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, and so on. You can also view the address for Duplex Secure Ltd, such as the street name, city and country.

VeriSign Class 3 Code Signing 2004 CA and VeriSign Class 3 Code Signing 2009-2 CA has issued the Duplex Secure Ltd certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Duplex Secure Ltd Files

The following are the Duplex Secure Ltd files I've gathered, thanks to the FreeFixer users.

Detection RatioFile Name
1/51sptd.sys
1/50sptd.sys
1/50sptd.sys
1/51sptd.sys
1/51sptd.sys
1/50sptd.sys
1/50sptd.sys
1/48sptd.sys
2/49sptd.sys
1/47sptd.sys
2/50sptd.sys
2/47sptd.sys
0/52sptd.sys
0/51avz00020.dta
0/52sptd.sys
0/51sptd.sys
0/51sptd.sys
0/46sptd.sys

Scanner and Detection Names

Here's the detection names for the Duplex Secure Ltd files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
K7GWRiskware ( 0015e4f21 )
McAfee-GW-EditionHeuristic.BehavesLike.Win32.Suspicious-BAY.G
TrendMicroPAK_Generic.009
TrendMicro-HouseCallPAK_Generic.009

* How the Detection Percentage is Calculated

The detection percentage is based on that I have gathered 1426 scan reports for the Duplex Secure Ltd files. 15 of these scan reports came up with some sort of detection. You can view 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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