Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maoucak' = '%HOMEPATH%\maoucak.exe /z'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\maoucak.exe
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX2.tmp
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX6.tmp
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%\maoucak.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\maoucak.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\maoucak.exe
Deletes the following files:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Passwords.exe
Substitutes the following files:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Passwords.exe
Network activity:
Connects to:
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Creates and executes the following:
- '%HOMEPATH%\maoucak.exe'