Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sysdiag32.exe' = '%APPDATA%\{XP-%USERNAME%}\sysdiag32.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '0x220' = '%APPDATA%\{XP-%USERNAME%}\sysdiag32.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysdiag32.exe' = '%APPDATA%\{XP-%USERNAME%}\sysdiag32.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Updates\Drivers\sysdiag32.exe
- <Drive name for removable media>:\Updates\Drivers\Desktop.ini
Malicious functions:
Creates and executes the following:
- %APPDATA%\{XP-%USERNAME%}\sysdiag32.exe
Modifies file system :
Creates the following files:
- %APPDATA%\{XP-%USERNAME%}\UDP_Module.dll
- %APPDATA%\{XP-%USERNAME%}\sysdiag32.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Updates\Drivers\sysdiag32.exe
- <Drive name for removable media>:\autorun.inf
- %APPDATA%\{XP-%USERNAME%}\UDP_Module.dll
- %APPDATA%\{XP-%USERNAME%}\sysdiag32.exe
Network activity:
Connects to:
- 'su#####ffles.zapto.org':6999
UDP:
- DNS ASK su#####ffles.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
