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Win32.HLLW.Autoruner1.12861

Added to the Dr.Web virus database: 2012-02-29

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Adobe Flash Player' = '%WINDIR%\flash.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<Virus name>.exe' = '%APPDATA%\nIbVLqyzxDoh\oTffuyCsShaK\3.13.35.7113\<Virus name>.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Crisis.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Modifies file system :
Creates the following files:
  • %WINDIR%\flash.exe
  • %APPDATA%\nIbVLqyzxDoh\oTffuyCsShaK\3.13.35.7113\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\Crisis.exe
  • %WINDIR%\flash.exe
  • %APPDATA%\nIbVLqyzxDoh\oTffuyCsShaK\3.13.35.7113\<Virus name>.exe
  • <Drive name for removable media>:\autorun.inf
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''