Zhongju Wu - 4% Detection Rate *

Did you just run into a download or a file on your computer that has a digital signature from Zhongju Wu? Some of the security products refers to the detected files as Adware.Mutabaha.1684 and a variant of Win32/Adware.Agent.NQU. The detection rate for the Zhongju Wu files collected here is 4%. Please read on for more details.

You will probably see Zhongju Wu when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the Zhongju Wu certificate with the following steps:

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

Here's a screenshot of a file that has been digitally signed by Zhongju Wu:

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 Zhongju Wu and that the file has not been tampered with.

If you click the View Certificate button shown in the screenshot above, you can view 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 Zhongju Wu, such as the street name, city and country.

thawte SHA256 Code Signing CA has issued the Zhongju Wu certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Zhongju Wu Files

The following are the Zhongju Wu files I've collected, thanks to the FreeFixer users.

Scanner and Detection Names

Here's the detection names for the Zhongju Wu files. I have 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 that I have collected 111 scan results for the Zhongju Wu files. 4 of these scan results 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 is done on certificates with the following serial numbers:

• 4d5b7e4107d5a79f7c765f0b6813c7c3
• 009fdbf5f19d70ea510e831e1cd121e3

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