Zhu Weiqin - 1.8% Detection Rate *

Did you just download a file that has a digital signature from Zhu Weiqin and wonder if the file is safe? If that's the case, please read on.

You will typically see Zhu Weiqin 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 Zhu Weiqin appears as the verified publisher in the UAC dialog

You can view additional details from the Zhu Weiqin certificate with the following procedure:

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

Here is a screencap of a file signed by Zhu Weiqin:

Screenshot of the Zhu Weiqin certificate

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 Zhu Weiqin and that no one has tampered with the file.

If you click the View Certificate button shown in the screengrab 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, etc. You can also examine the address for Zhu Weiqin, such as the street name, city and country.

WoSign Class 2 Code Signing CA has issued the Zhu Weiqin certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Zhu Weiqin Files

The following are the Zhu Weiqin files I have collected, thanks to the FreeFixer users.

Detection RatioFile Name

Scanner and Detection Names

Here's the detection names for the Zhu Weiqin files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
VBA32suspected of Trojan.Downloader.gen.h

* How the Detection Percentage is Calculated

The detection percentage is based on that I've gathered 222 scan results for the Zhu Weiqin files. 4 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 has been done on certificates with the following serial numbers:


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