Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zuialob' = '%HOMEPATH%\zuialob.exe /u'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\LHKE.ico
- <Drive name for removable media>:\zuialob.exe
- <Drive name for removable media>:\zuialobx.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%\zuialob.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\zuialob.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\LHKE.ico
- <Drive name for removable media>:\zuialob.exe
- <Drive name for removable media>:\zuialobx.exe
Network activity:
Connects to:
- 'ns#.##ayer1532.com':8000
UDP:
- DNS ASK ns#.##ayer1532.com
Miscellaneous:
Creates and executes the following:
- '%HOMEPATH%\zuialob.exe'