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Win32.HLLW.Silka.49

Added to the Dr.Web virus database: 2010-09-28

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SecurityUpdater' = '"%TEMP%\SecUpdater.exe"'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'SecurityUpdater' = '"%TEMP%\SecUpdater.exe"'
Modifies file system :
Creates the following files:
  • %TEMP%\SecUpdater.exe
Sets the 'hidden' attribute to the following files:
  • %TEMP%\SecUpdater.exe
Network activity:
Connects to:
  • 'ga#####g.lowerland.org':43000
UDP:
  • DNS ASK ga#####g.lowerland.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''