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Win32.HLLW.Autoruner2.17122

Added to the Dr.Web virus database: 2014-08-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Update.exe' = 'Update.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Update.exe' = 'Update.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\usbhelp.exe
  • <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\Desktop.ini
Malicious functions:
Creates and executes the following:
  • '<SYSTEM32>\Update.exe' 292 "<Full path to virus>"
Searches for windows to
detect programs and games:
  • ClassName: 'MSNHiddenWindowClass' WindowName: ''
  • ClassName: '_Oscar_StatusNotify' WindowName: ''
Modifies file system :
Creates the following files:
  • <SYSTEM32>\Update.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\usbhelp.exe
  • <SYSTEM32>\Update.exe
Deletes itself.
Network activity:
Connects to:
  • 'www.in###0us.com':7000
UDP:
  • DNS ASK www.in###0us.com
Miscellaneous:
Searches for the following windows:
  • ClassName: '__oxFrame.class__' WindowName: ''