Luhong Han - 16% Detection Rate *

Did you just find a download or a file on your computer that has a digital signature from Luhong Han? Some of the security products refers to the detected files as a variant of Win32/Obfuscated.NHQ and Trojan ( 004f65711 ). The detection rate for the Luhong Han files collected here is 16%. Please read on for more details.

You will typically see Luhong Han when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Luhong Han appears as the verified publisher in the UAC dialog

You can view additional details from the Luhong Han certificate with the following procedure:

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

Here is a screenshot of a file digitally signed by Luhong Han:

Screenshot of the Luhong Han certificate

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by Luhong Han 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, etc. You can also view the address for Luhong Han, such as the street name, city and country.

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

Luhong Han Files

These are the Luhong Han files I have collected, thanks to the FreeFixer users.

Detection RatioFile Name
1/56BirdeyeUpdate.exe
20/58zootonyupdate.exe
6/57BossseedUpdate.exe

Scanner and Detection Names

Here is the detection names for the Luhong Han files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
AVGGeneric_s.IO
AVwareTrojan.Win32.Generic!BT
AegisLabGeneric.S!c
AviraTR/Obfuscate.fbds
CrowdStrikemalicious_confidence_68% (D)
DrWebAdware.Mutabaha.1800, Adware.Mutabaha.2115
ESET-NOD32a variant of Win32/Obfuscated.NHQ
GDataWin32.Trojan.Agent.1DPJPV
IkarusTrojan.Win32.Obfuscated
Invinceavirtool.win32.injector.ia
K7AntiVirusTrojan ( 004f65711 )
K7GWTrojan ( 004f65711 )
McAfeeRDN/Generic.grp, Artemis!E85C5D61938F
McAfee-GW-EditionRDN/Generic.grp, Artemis!Trojan
MicrosoftTrojan:Win32/Ghokswa
RisingTrojan.Obfuscated!8.4C-E0BCS6DubjM (Cloud), Malware.Generic!5pM32iB3Wp@5 (thunder)
SophosMal/Generic-S
SymantecTrojan.Gen.2
TrendMicroTROJ_GEN.R00JC0EHQ16
TrendMicro-HouseCallTROJ_GEN.R00JC0EHQ16
VIPRETrojan.Win32.Generic!BT

* How the Detection Percentage is Calculated

The detection percentage is based on that I've collected 171 scan results for the Luhong Han files. 27 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan results by examining the files listed above.

Analysis Details

The analysis is based on certificates with the following serial numbers:

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