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Win32.HLLW.Autoruner1.34818

Added to the Dr.Web virus database: 2013-04-03

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '360Safebox' = '<SYSTEM32>\expleror.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '360Safetray' = '<SYSTEM32>\SVCH0ST.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qq???' = '<SYSTEM32>\expleror.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'qq??' = '<SYSTEM32>\SVCH0ST.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\QQ.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Executes the following:
  • <SYSTEM32>\logonui.exe /status
Searches for windows to
detect programs and games:
  • ClassName: 'TXGuiFoundation' WindowName: 'QQ2009 ???'
  • ClassName: 'TXGuiFoundation' WindowName: 'QQ2009'
Attempts to shut down the Windows operating system.
Modifies file system :
Creates the following files:
  • <SYSTEM32>\xhqqdao.sys
  • C:\autorun.inf
  • C:\QQ.exe
  • <SYSTEM32>\expleror.exe
  • <SYSTEM32>\SVCH0ST.exe
Sets the 'hidden' attribute to the following files:
  • C:\autorun.inf
  • <Drive name for removable media>:\QQ.exe
  • <Drive name for removable media>:\autorun.inf
  • <SYSTEM32>\expleror.exe
  • <SYSTEM32>\SVCH0ST.exe
  • C:\QQ.exe
Moves the following files:
  • from C:\autorun.inf to C:\autoron.inf
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: 'StatusWindowClass' WindowName: ''