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Win32.HLLW.Autoruner1.16385

Aggiunto al database dei virus Dr.Web: 2012-05-24

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'winupdateserver.exe' = '<Full path to virus>'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Sys.exe
Malicious functions:
Creates and executes the following:
  • <Current directory>\OьままлUhC.exe
Executes the following:
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe /noconfig @"%TEMP%\npbqahle.cmdline"
Modifies file system :
Creates the following files:
  • C:\autorun.inf
  • C:\Sys.exe
  • <Current directory>\OьままлUhC.exe
  • %TEMP%\RES2.tmp
  • %TEMP%\vbc1.tmp
  • %TEMP%\npbqahle.cmdline
  • %TEMP%\npbqahle.0.vb
  • <Current directory>\workgroup
  • %TEMP%\npbqahle.out
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\Sys.exe
  • <Drive name for removable media>:\autorun.inf
  • C:\Sys.exe
  • C:\autorun.inf
Deletes the following files:
  • %TEMP%\npbqahle.out
  • %TEMP%\npbqahle.0.vb
  • %TEMP%\npbqahle.cmdline
  • %TEMP%\RES2.tmp
  • %TEMP%\vbc1.tmp
Network activity:
Connects to:
  • 'sm##.gmail.com':587
UDP:
  • DNS ASK sm##.gmail.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: '' WindowName: '<Auxiliary name>'