Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\GrayPigeon_huaerzhuangyo] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- %WINDIR%\d
Executes the following:
- <SYSTEM32>\cmd.exe /c %WINDIR%\uninstal.bat
Modifies file system :
Creates the following files:
- %WINDIR%\uninstal.bat
- %WINDIR%\d
Sets the 'hidden' attribute to the following files:
- %WINDIR%\d
Deletes itself.
Network activity:
Connects to:
- 'zh#####an321.3322.org':8000
UDP:
- DNS ASK zh#####an321.3322.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
