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Profil

Win32.HLLW.Autoruner1.16773

Added to the Dr.Web virus database: 2012-06-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{274T7532-46TD-2TKC-Q2R1-4ES6GNMVSBG3}] 'StubPath' = '<SYSTEM32>\install\server.exe Restart'
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{274T7532-46TD-2TKC-Q2R1-4ES6GNMVSBG3}] 'StubPath' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = ''
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\install\server.exe
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %TEMP%\%USERNAME%7
  • %TEMP%\%USERNAME%8
  • %APPDATA%\%USERNAME%log.dat
  • <SYSTEM32>\install\server.exe
  • %TEMP%\%USERNAME%2.txt
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\%USERNAME%log.dat
  • <SYSTEM32>\install\server.exe
Deletes the following files:
  • %TEMP%\%USERNAME%7
  • %TEMP%\%USERNAME%8
  • %TEMP%\%USERNAME%2.txt
Network activity:
Connects to:
  • 'sh##.no-ip.biz':178
UDP:
  • DNS ASK sh##.no-ip.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''