Weiwei He - 6% Detection Rate *

Did you just stumble upon a download or a file on your computer that has been digitally signed by Weiwei He? Some of the security products refers to the detected files as Riskware ( 0049f6ae1 ) and Opencandy (fs). The detection rate for the Weiwei He files collected here is 6%. Please read on for more details.

You'll typically see Weiwei He when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Weiwei He appears as the verified publisher in the UAC dialog

You can also view the Weiwei He certificate with the following procedure:

  1. Open Windows Explorer and locate the Weiwei He 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 that has been signed by Weiwei He:

Screenshot of the Weiwei He certificate

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by Weiwei He 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, and so on. You can also examine the address for Weiwei He, such as the street name, city and country.

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

Weiwei He Files

The following are the Weiwei He files I've collected, thanks to the FreeFixer users.

Detection RatioFile Name
6/54cktSvc.exe
5/56UncheckitSvc.exe
4/55uncheckitsvc.exe
3/56ouilibx.dll
2/58UncheckitUpdate.exe

Scanner and Detection Names

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

ScannerDetection Names
AVwareOpencandy (fs)
AhnLab-V3PUP/Win32.Uncheckit.C1495012
DrWebAdware.Mutabaha.1700, Adware.Mutabaha.1819
IkarusTrojan.Win32.Chuckenit
K7AntiVirusRiskware ( 0049f6ae1 )
K7GWRiskware ( 0049f6ae1 )
McAfeeArtemis!10544FC8A591
McAfee-GW-EditionArtemis!Trojan
VIPREOpencandy (fs)

* How the Detection Percentage is Calculated

The detection percentage is based on that I've collected 334 scan reports for the Weiwei He files. 20 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:

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