Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'atitool' = '%APPDATA%\pwrwin.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'atitool' = '%APPDATA%\pwrwin.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'yazzz' = '%TEMP%\ctxmon.exe'
Malicious functions:
Creates and executes the following:
- %TEMP%\ctxmon.exe
Injects code into
the following system processes:
- <SYSTEM32>\winlogon.exe
Modifies file system :
Creates the following files:
- %APPDATA%\pwrwin.exe
- %TEMP%\ctxmon.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'WordPadClass' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
