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Win32.HLLW.Autoruner1.39253

Added to the Dr.Web virus database: 2013-05-30

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '%ALLUSERSPROFILE%\Application Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\li2je.dat,FG00'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\msconfig.lnk
Malicious functions:
Creates and executes the following:
  • '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\li2je.dat,FG03
  • '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\li2je.dat,FG04
  • '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\li2je.dat,FG06
  • '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\li2je.dat,FG00
  • '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\li2je.dat,FG01
  • '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\li2je.dat,FG02
Modifies settings of Windows Internet Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2500' = '00000003'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2500' = '00000003'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2500' = '00000003'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2500' = '00000003'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2500' = '00000003'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1609' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1609' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1609' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1609' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
Modifies file system :
Creates the following files:
  • %ALLUSERSPROFILE%\Application Data\ej2il.js
  • C:\System Volume Information\_restore{E7F0F64C-F7E5-4319-8757-E9A20C1C4E14}\fifo.log
  • %ALLUSERSPROFILE%\Application Data\ej2il.pad
  • %ALLUSERSPROFILE%\Application Data\rundll32.exe
  • %ALLUSERSPROFILE%\Application Data\li2je.dat
Network activity:
Connects to:
  • '37.##9.53.102':80
Miscellaneous:
Searches for the following windows:
  • ClassName: 'ReBarWindow32' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: 'Type32_Main_Window' WindowName: ''
  • ClassName: 'WMP9DeskBand' WindowName: 'WMP9DeskBand'
  • ClassName: '' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''