Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'firewall 2008' = '<SYSTEM32>\logoneui.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe logoneui.exe'
Creates or modifies the following files:
- %WINDIR%\Tasks\At1.job
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\logoneui.exe
- <Drive name for removable media>:\Maradona.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
Executes the following:
- <SYSTEM32>\logonui.exe /status /shutdown
- <SYSTEM32>\at.exe 22:00 /interactive /EVERY:m,t,w,th,f,s,su <SYSTEM32>\logoneui.exe
- <SYSTEM32>\at.exe /delete /yes
Terminates or attempts to terminate
the following user processes:
- avgcc.exe
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NofolderOptions' = '00000001'
Sets a new unauthorized home page for Windows Internet Explorer.
Attempts to shut down the Windows operating system.
Modifies file system :
Creates the following files:
- C:\Jojo.exe
- <SYSTEM32>\autorun.ini
- C:\autorun.inf
- C:\logoneui.exe
- %WINDIR%\Web\connection.dat
- <SYSTEM32>\logoneui.exe
- C:\info.bat
- <SYSTEM32>\boote\boot.ini
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\logoneui.exe
- <SYSTEM32>\autorun.ini
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'StatusWindowClass' WindowName: ''
- ClassName: 'Indicator' WindowName: ''