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Win32.HLLW.SpyNet.220

Added to the Dr.Web virus database: 2014-05-09

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svchost' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{4Y1AR42A-3HG3-6372-HWFU-YJ57RRSFUN88}] 'StubPath' = '%WINDIR%\install\server.exe Restart'
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{4Y1AR42A-3HG3-6372-HWFU-YJ57RRSFUN88}] 'StubPath' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'svchost' = ''
Malicious functions:
Creates and executes the following:
  • '%WINDIR%\install\server.exe'
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %TEMP%\XxX.xXx
  • %TEMP%\UuU.uUu
  • %APPDATA%\logs.dat
  • %WINDIR%\install\server.exe
  • %TEMP%\XX--XX--XX.txt
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\logs.dat
  • %WINDIR%\install\server.exe
Deletes the following files:
  • %TEMP%\XxX.xXx
  • %TEMP%\UuU.uUu
  • %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
  • 'iv####son.no-ip.org':82
UDP:
  • DNS ASK iv####son.no-ip.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'
  • ClassName: 'Indicator' WindowName: '(null)'

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