Description of an ICE characteristic and behaviour :, How did it translate in game term ? Options

[IKerensky]

Here is the idea for an ICE I have :

Stealthy ICE that Analyse every persona in his node.
If the ICE detect a not-allowed persona it will track it back to his origins node.
When in the persona node he will launch an Agent in the node then go back home.
The Agent is Stealthy and Selfreplicating.
Agent script :
- If it dont replicate yet, replicate.
- Analyse the node to see if it is crypted by his own device, if not then Encrypt the node with a Databomb that would explode if not provided by the Agent password.
- Analyse the decryption program to see if it exist or is not encrypted yet, if so Encrypt the program with a Databomb that would explode if not provided by the Agent password.
- Analyse all the programs to see if they are encrypted, if not encrypt them with Databomb.
- Do the same for the files.
- Check for any Agent/Persona unknown presence, if so track and infiltrate them. Go back to start of list.
- If nothing left to do check for any master/slave connection in the node and access the master/slave. Go back to start of list.

How did it translate in game terms ?

More specific question :

1- Is the hacker automatically aware of the lowering of Response on his commlink.
2- Can you really Encrypt a Decrypt program ?
3- Can you run another copy of the program ?
4- Can you Encrypt loaded but not running program ?
5- Can a program/files/node be crypted by different users/programs ?
6- Is it too strong ?
7- What would happen if you Encrypt a Node while a persona is originating from it ?