ZenSearch - 2% Detection Rate *
Did you just find a file that has been digitally signed by ZenSearch? If so, please read on.
You will probably notice ZenSearch 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 the digital signature details for ZenSearch with the following procedure:
- Open up Windows Explorer and locate the ZenSearch file
- Right-click the file and select Properties
- Click on the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file that has been digitally signed by ZenSearch:
As you can see in the screengrab above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by ZenSearch and that no one has tampered with the file.
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, etc. You can also see the address for ZenSearch, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the ZenSearch certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
ZenSearch Files
The following are the ZenSearch files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/47 | _silent_full_bundleZenSearch_prod.exe |
| 3/54 | IeZenSearch_x64.dll |
| 3/57 | updater.exe |
| 1/50 | IEWrap.dll |
| 1/51 | IeZenSearch.dll |
| 5/51 | singleZenSearch.exe |
| 1/51 | updater.exe |
| 1/51 | _silent_full_bundleZenSearch_prod.exe |
| 0/48 | singleZenSearch.exe |
| 0/50 | IeZenSearch.dll |
| 0/50 | IeZenSearch_x64.dll |
| 0/50 | uninstall.exe |
Scanner and Detection Names
Here's the detection names for the ZenSearch files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Zensea.AF9, MalSign.Zensea.AF9 |
| AhnLab-V3 | Trojan/Win32.StartPage |
| DrWeb | Adware.Searcher.2650 |
| ESET-NOD32 | a variant of Win32/Adware.Gertokr.E |
| Malwarebytes | PUP.Optional.ZenSearch.A |
| McAfee | Artemis!246864F5EDCD |
| McAfee-GW-Edition | Artemis!246864F5EDCD |
| VBA32 | suspected of Trojan.Downloader.gen.h |
| ViRobot | Trojan.Win32.S.StartPage.1971384 |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've gathered 659 scan reports for the ZenSearch files. 16 of these scan reports 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:
- 00c453bd7e7881a198ddeccc1fc432d3ed