Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cxteoz' = '%HOMEPATH%\cxteoz.exe /Y'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\foU.ico
- <Drive name for removable media>:\cxteoz.exe
- <Drive name for removable media>:\cxteozx.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\Video.lnk
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system:
Creates the following files:
- %HOMEPATH%\cxteoz.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\cxteoz.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\foU.ico
- <Drive name for removable media>:\cxteoz.exe
- <Drive name for removable media>:\cxteozx.exe
Network activity:
Connects to:
- 'ns#.##ayer1532.com':8000
UDP:
- DNS ASK ns#.##ayer1532.com
Miscellaneous:
Creates and executes the following:
- '%HOMEPATH%\cxteoz.exe'