Win32.HLLW.Autoruner1.10448
Added to the Dr.Web virus database:
2012-01-01
Virus description added:
2012-01-02
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKEYAUDIOTMP' = '%TEMP%\\eaylnlf.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'HKEYAUDIOTMP' = '%TEMP%\\eaylnlf.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'HKEYAUDIOTMP' = '%TEMP%\\eaylnlf.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKEYAUDIOTMP' = '%TEMP%\\eaylnlf.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKEYCMD' = '<SYSTEM32>\hqghu.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'HKEYCMD' = '<SYSTEM32>\hqghu.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'HKEYCMD' = '<SYSTEM32>\hqghu.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKEYCMD' = '<SYSTEM32>\hqghu.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Startup.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\.Trash\Cleanup\DeletedItems\aylnlfd.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
- <SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 1 /f
- <SYSTEM32>\cmd.exe /c ""%TEMP%\Tmpphqghu11478.bat" "
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '1'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = '1'
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\Documents\My Pictures\My Pictures.exe
- %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Sample Pictures.exe
- %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\Sample Playlists.exe
- %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\User Account Pictures.exe
- %ALLUSERSPROFILE%\Documents\My Music\My Playlists\My Playlists.exe
- %ALLUSERSPROFILE%\DRM\DRM.exe
- C:\Documents and Settings\Default User\Application Data\Microsoft\SystemCertificates\SystemCertificates.exe
- C:\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Microsoft.exe
- C:\Documents and Settings\Default User\Application Data\Microsoft\Media Player\Media Player.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\Entertainment.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\System Tools.exe
- %ALLUSERSPROFILE%\Application Data\Microsoft\Network\Connections\Connections.exe
- %TEMP%\eaylnlf.exe
- C:\.Trash\Cleanup\DeletedItems\xfirc.exe
- <SYSTEM32>\hqghu.exe
- %TEMP%\Tmpknvvrm21354.sys
- %TEMP%\Tmpphqghu11478.bat
- C:\Autorun.inf
- %ALLUSERSPROFILE%\Application Data\Microsoft\Crypto\DSS\DSS.exe
- %ALLUSERSPROFILE%\Application Data\Microsoft\Media Player\Media Player.exe
- %ALLUSERSPROFILE%\Application Data\Application Data.exe
- <Current directory>\af32d3b0.exe
- C:\Documents and Settings\Documents and Settings.exe
Sets the 'hidden' attribute to the following files:
- %ALLUSERSPROFILE%\DRM\DRM.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\Entertainment.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\System Tools.exe
- %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\Sample Playlists.exe
- %ALLUSERSPROFILE%\Documents\My Pictures\My Pictures.exe
- %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Sample Pictures.exe
- C:\Documents and Settings\Default User\Application Data\Microsoft\Media Player\Media Player.exe
- C:\Documents and Settings\Default User\Application Data\Microsoft\SystemCertificates\SystemCertificates.exe
- C:\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Microsoft.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Startup.exe
- <Drive name for removable media>:\.Trash\Cleanup\DeletedItems\aylnlfd.exe
- <Drive name for removable media>:\Autorun.inf
- C:\Autorun.inf
- <Current directory>\af32d3b0.exe
- C:\Documents and Settings\Documents and Settings.exe
- <SYSTEM32>\hqghu.exe
- %TEMP%\eaylnlf.exe
- C:\.Trash\Cleanup\DeletedItems\xfirc.exe
- %ALLUSERSPROFILE%\Application Data\Microsoft\Network\Connections\Connections.exe
- %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\User Account Pictures.exe
- %ALLUSERSPROFILE%\Documents\My Music\My Playlists\My Playlists.exe
- %ALLUSERSPROFILE%\Application Data\Application Data.exe
- %ALLUSERSPROFILE%\Application Data\Microsoft\Crypto\DSS\DSS.exe
- %ALLUSERSPROFILE%\Application Data\Microsoft\Media Player\Media Player.exe
Deletes the following files:
- %TEMP%\Tmpphqghu11478.bat
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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