Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Defender' = '%HOMEPATH%\Start Menu\Programs\Startup\windowsupdate.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\windowsupdate.exe
Malicious functions:
Creates and executes the following:
- '%HOMEPATH%\Start Menu\Programs\Startup\windowsupdate.exe'
- '%HOMEPATH%\Start Menu\Programs\Startup\windowsupdate.exe' (downloaded from the Internet)
Modifies file system :
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\windowsupdate.exe
Network activity:
Connects to:
- 'kh##t.info':80
- 'wp#d':80
TCP:
HTTP GET requests:
- kh##t.info/server.exe
- wp#d/wpad.dat
UDP:
- DNS ASK kh##t.info
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
