GZ Systems Limited - 3% Detection Rate *

Did you just run into a download or a file on your computer that has a digital signature from GZ Systems Limited? Some of the security products refers to the detected files as Riskware.Agent! and a variant of Win32/NetFilter.A potentially unsafe. The detection rate for the GZ Systems Limited files collected here is 3%. Please read on for more details.

You will typically notice GZ Systems Limited when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the GZ Systems Limited certificate with the following steps:

1. Open up Windows Explorer and locate the GZ Systems Limited 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 signed by GZ Systems Limited:

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 GZ Systems Limited 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 examine the address for GZ Systems Limited, such as the street name, city and country.

DigiCert High Assurance Code Signing CA-1, DigiCert SHA2 High Assurance Code Signing CA and DigiCert EV Code Signing CA (SHA2) has issued the GZ Systems Limited certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.

GZ Systems Limited Files

The following are the GZ Systems Limited files I have gathered, thanks to the FreeFixer users.

Scanner and Detection Names

Here's the detection names for the GZ Systems Limited 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 464 scan reports for the GZ Systems Limited files. 13 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.

Analysis Details

The analysis is based on certificates with the following serial numbers:

• 0a2ccaf4d3dd3c728b1db1355ce5fdac
• 0bd4b9b4b4324888e4a65ab61ed452fd
• 0b63d91fa0df09a216f3d04de60a7ea8

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