This product using custom DLL "msimg32.dll"
Some antivirus may block it and flag it as a virus.
You need to make your antivirus "allow it"
Its a false alarm and its SAFE ,this false alarm is triggered because this is a custom DLL and not verified to any publisher but need to make this product unlocked.
If you still want to use the previous DLL together with the new one ,you must use 2 separate installed Terminals..
This DLL work in Terminal build 1320.