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Win32.HLLW.Autoruner.58930

Added to the Dr.Web virus database: 2011-09-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'run' = '<SYSTEM32>\<Virus name>.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\System Volume Information\com1.{20D04FE0-3AEA-1069-A2D8-08002B30309D}\weasvc.pif
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\D_20877.nsl
  • <Drive name for removable media>:\New Folder .exe
  • <Drive name for removable media>:\rz.bat
  • <Drive name for removable media>:\wab.bat
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\<Virus name>.exe 
Executes the following:
  • <SYSTEM32>\cmd.exe /c ""<Drive name for removable media>:\wab.bat" "
  • <SYSTEM32>\cmd.exe /c ""<Drive name for removable media>:\rz.bat" "
  • <SYSTEM32>\cmd.exe /c ""c:\command.bat" "
Modifies file system :
Creates the following files:
  • C:\command.bat
  • <SYSTEM32>\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\D_20877.nsl
  • <Drive name for removable media>:\autorun.inf
Deletes itself.
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