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Win32.HLLW.Siggen.2984

Added to the Dr.Web virus database: 2012-06-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'KB01321295.exe' = '"%APPDATA%\KB01321295.exe"'
Malicious functions:
Creates and executes the following:
  • %APPDATA%\KB01321295.exe
Injects code into
the following system processes:
  • <SYSTEM32>\cscript.exe
a large number of user processes.
Modifies file system :
Creates the following files:
  • %TEMP%\exp1.tmp.bat
  • %APPDATA%\KB01321295.exe
Deletes itself.
Network activity:
Connects to:
  • '91.##1.103.143':8080
  • '11#.#34.150.163':8080
  • '20#.#43.147.35':8080
  • '41.##8.5.140':8080
  • '95.##2.167.193':8080
  • '17#.#03.96.79':8080
  • '18#.#06.189.124':8080
  • '89.##1.176.87':8080
  • '97.##.75.172':8080
  • '20#.#17.147.52':8080
  • '12#.#9.61.59':8080
  • '83.##8.208.55':8080
  • '21#.#4.250.173':8080
  • '19#.#1.107.70':8080
  • '20#.#72.252.26':8080
  • '20#.#72.252.29':8080
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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