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Profile

Win32.HLLW.Autoruner1.46186

Added to the Dr.Web virus database: 2013-07-12

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /J'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /U'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /P'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /D'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /E'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'toauto' = '%HOMEPATH%\toauto.exe /w'
Creates the following files on removable media:
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\NWl.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\toauto.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\toautox.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • '%HOMEPATH%\toauto.exe'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\toauto.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\toauto.exe
  • <Drive name for removable media>:\toautox.exe
  • <Drive name for removable media>:\NWl.ico
  • %HOMEPATH%\toauto.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##ayer1532.com':8000
UDP:
  • DNS ASK ns#.##ayer1532.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'