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Win32.HLLW.Autoruner1.29344

Added to the Dr.Web virus database: 2012-11-06

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{7FPS5BMB-FU0T-5578-8URC-QI6NC1Y25X08}] 'StubPath' = '%WINDIR%/system32/microsoft\install\server.exe Restart'
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{7FPS5BMB-FU0T-5578-8URC-QI6NC1Y25X08}] 'StubPath' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = ''
Creates the following files on removable media:
  • <Drive name for removable media>:\ngoq.pif
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
  • <Auxiliary element>
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:ipsec'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
blocks execution of the following system utilities:
  • Windows Task Manager (Taskmgr)
  • Registry Editor (RegEdit)
blocks the following features:
  • User Account Control (UAC)
  • Windows Security Center
Creates and executes the following:
  • <SYSTEM32>\Microsoft\install\server.exe
Injects code into
the following system processes:
  • <Auxiliary element>
a large number of user processes.
Modifies file system :
Creates the following files:
  • %TEMP%\winhupj.exe
  • %TEMP%\winwnjtgf.exe
  • C:\omnvon.exe
  • C:\autorun.inf
  • <DRIVERS>\ijlpt.sys
  • %TEMP%\XX--XX--XX.txt
  • <SYSTEM32>\Microsoft\install\server.exe
  • %APPDATA%\logs.dat
  • %TEMP%\UuU.uUu
  • %TEMP%\XxX.xXx
Sets the 'hidden' attribute to the following files:
  • C:\omnvon.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\ngoq.pif
  • <SYSTEM32>\Microsoft\install\server.exe
  • %APPDATA%\logs.dat
  • C:\autorun.inf
Deletes the following files:
  • %TEMP%\winwnjtgf.exe
  • %TEMP%\XxX.xXx
  • %TEMP%\winhupj.exe
  • %TEMP%\XX--XX--XX.txt
  • %TEMP%\UuU.uUu
  • <DRIVERS>\ijlpt.sys
Network activity:
Connects to:
  • 'ki####eknik.com.tr':80
  • 'localhost':288
  • 'ha####y.zapto.org':288
TCP:
HTTP GET requests:
  • ki####eknik.com.tr/logo.gif?58###########
UDP:
  • DNS ASK ki####eknik.com.tr
  • DNS ASK ha####y.zapto.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
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