Antivirus and Security Software from Sophos

Sophos blogs

Troj/Qons-A

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 6 November 2009 14:11:16 (GMT)
Detected by All Sophos products
  • Free virus, spyware, and adware scan
  • Test your existing anti-virus protection
  • Find threats your anti-virus missed

Action

More Information

Troj/Qons-A is a Trojan for the Windows platform.

Troj/Qons-A includes functionality to:

 - run automatically
 - steal confidential information
 - access the internet and communicate with a remote server via HTTP

Troj/Qons-A communicates via HTTP with the following locations:

   91 . 212 . 127 . 226


When Troj/Qons-A is installed it creates the file <User>\Local Settings\Application Data\dhbxgc\qonssysguard.exe.

Registry entries are set as follows:

HKCU\Software\Microsoft\Internet Explorer\Download
CheckExeSignatures
no

HKCU\Software\Microsoft\Internet Explorer\Download
RunInvalidSignatures
0x00000001

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Associations
LowRiskFileTypes
.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments
SaveZoneInformation
0x00000001

Registry entries are created under:

HKCU\Software\AvScan

RSS|Atom
Get reports about the latest virus and spyware threats delivered to your computer