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Win32.HLLW.SpyBot.891

Added to the Dr.Web virus database: 2014-02-23

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Supports RAS Connections' = 'svhost.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunServices] 'Supports RAS Connections' = 'svhost.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Supports RAS Connections' = 'svhost.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Supports RAS Connections' = 'svhost.exe'
Malicious functions:
Creates and executes the following:
  • '<SYSTEM32>\svhost.exe'
  • '<SYSTEM32>\svhost.exe' 304 "<Full path to virus>"
Modifies file system :
Creates the following files:
  • <SYSTEM32>\svhost.exe
  • %TEMP%\aut2.tmp
  • %TEMP%\res.ico2
  • %TEMP%\aut1.tmp
  • %TEMP%\res.ico
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\svhost.exe
Deletes the following files:
  • %TEMP%\res.ico2
  • %TEMP%\aut2.tmp
  • %TEMP%\aut1.tmp
Network activity:
Connects to:
  • '13#.0.4.98':6667
Miscellaneous:
Searches for the following windows:
  • ClassName: 'mIRC' WindowName: '(null)'
  • ClassName: 'Indicator' WindowName: '(null)'

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