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Win32.HLLW.Autoruner1.40789

Added to the Dr.Web virus database: 2013-06-08

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Windows Hosting Service Login' = '%TEMP%\explorer.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Windows Hosting Service Login' = '%TEMP%\explorer.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\Copia de acceso directo(3).lnk
  • <Drive name for removable media>:\tmp.tmp
  • <Drive name for removable media>:\Copia de acceso directo(2).lnk
  • <Drive name for removable media>:\Acceso directo.lnk
  • <Drive name for removable media>:\Copia de acceso directo.lnk
Malicious functions:
Creates and executes the following:
  • '%TEMP%\explorer.exe'
  • '%TEMP%\t2m1p0.exe'
Modifies file system :
Creates the following files:
  • %TEMP%\explorer.exe
  • %TEMP%\t2m1p0.exe
Sets the 'hidden' attribute to the following files:
  • %TEMP%\explorer.exe
Network activity:
Connects to:
  • 'in####les.com.ve':443
UDP:
  • DNS ASK in####les.com.ve
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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