Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\winqxl32] 'Startup' = 'qTXYhBd'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\winqxl32] 'DllName' = 'winqxl32.dll'
Malicious functions:
Executes the following:
- <SYSTEM32>\cmd.exe /c ""%TEMP%\pyi1.bat""
Modifies file system :
Creates the following files:
- %TEMP%\pyi1.bat
- <SYSTEM32>\winqxl32.dll
- %TEMP%\pyi1.tmp
Deletes the following files:
- %TEMP%\pyi1.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'PROGMAN' WindowName: ''
- ClassName: 'IEFrame' WindowName: ''
- ClassName: 'MozillaUIWindowClass' WindowName: ''
