Win32.HLLW.Autoruner1.46186
Added to the Dr.Web virus database:
2013-07-12
Virus description added:
2013-07-13
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:
Creates and executes the following:
Modifies file system :
Creates the following files:
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)'
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