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Win32.HLLM.MyDoom.1315

Added to the Dr.Web virus database: 2011-10-20

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Gateway' = '%TEMP%\abc3.exe'
Modifies file system
Creates the following files
  • %TEMP%\abc1.exe
  • %TEMP%\abc2.exe
  • %TEMP%\abc3.exe
Network activity
TCP
HTTP GET requests
  • http://www.mb##.com/lnk.asp?o=#####################
  • http://www.google.com/
  • 'mb##.com':443
  • UDP
    • DNS ASK ax###.dyndns-ip.com
    • DNS ASK pk##rax.com
    • DNS ASK mb##.com
    • DNS ASK google.com
    Miscellaneous
    Creates and executes the following
    • '%TEMP%\abc1.exe'
    • '%TEMP%\abc2.exe'
    • '%TEMP%\abc3.exe'
    Executes the following
    • '%WINDIR%\microsoft.net\framework64\v2.0.50727\dw20.exe' -x -s 1388
    • '%WINDIR%\microsoft.net\framework64\v2.0.50727\dw20.exe' -x -s 856