Cling Clang - 13% Detection Rate *

Did you just run into a download or a file on your computer that has a digital signature from Cling Clang? Some of the security products refers to the detected files as MalSign.Cling.376 and Win32.Troj.Agent.ah.(kcloud). The detection rate for the Cling Clang files collected here is 13%. Please read on for more details.

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

You can view additional details from the Cling Clang certificate with the following procedure:

1. Open up Windows Explorer and locate the Cling Clang 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 Cling Clang:

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 Cling Clang and that the file has not been tampered with.

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

VeriSign Class 3 Code Signing 2010 CA has issued the Cling Clang certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Cling Clang Files

The following are the Cling Clang files I have collected, thanks to the FreeFixer users.

Scanner and Detection Names

Here's the detection names for the Cling Clang 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 that I have collected 201 scan reports for the Cling Clang files. 27 of these scan results came up with some sort of detection. 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:

• 5d74fbb0061e5bd76029878075b12101

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