HTTPBrowser has established persistence by setting the "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" key value for "wdm" to the path of the executable. It has also used the Registry entry "HKEY_USERS\Software\Microsoft\Windows\CurrentVersion\Run vpdn “%ALLUSERPROFILE%\%APPDATA%\vpdn\VPDN_LU.exe”" to establish persistence.