Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\Run] 'd' = '%PROGRAM_FILES%\Internet Explorer\ctfmonsaq.exe'
Malicious functions:
Executes the following:
- <SYSTEM32>\regsvr32.exe /s <SYSTEM32>\bu28501.dll
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Internet Explorer\ctfmonsaq.exe
- <SYSTEM32>\bu28501.dll
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
