# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Weeping Angel

# Extending - User Guide

28 February, 2014

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SECRET STRAP 2 UK EYES ONLY
9 Uninstalling the Implant
9.1 Close Access Uninstall
The implant can be uninstalled by inserting a USB stick into the TV. The USB stick inserted into the TV
will be authenticated by the presence of a filename on the stick, and a unique string held with-in the file.
These values are set in the “usbDeleteKeyFile” and “usbDeleteKeyFileGUID” Settings.
To uninstall EXTENDING:
1. Create a file with the same name as the “usbDeleteKeyFile” Setting in the configuration file
2. Edit this file with a text editor and enter the “usbDeleteKeyFileGUID” Setting unique string
3. Save the file onto a USB stick.
4. Turn on the target TV
5. Insert the USB stick into the TV. A pop-up may appear asking what you want to do with the TV.
IGNORE this.
6. Wait for 1 minute.
7. Remove the USB stick.
8. EXTENDING is now uninstalled
9.2 Time-based Uninstall
EXTENDING can be configured to automatically uninstall itself after a set period of time. In order to
achieve this a reliable clock must be available for the implant. This means that the target TV must be
connected to the internet, so the implant can get a reliable NTP based time from a server. If a reliable
time source is not available this removal method should not be used to uninstall EXTENDING. Instead
the Manual Uninstall method should be used.
To set the time at which EXTENDING should be uninstalled then set the “DeathDate” setting to the
desired time. Also set the “NTPServer” setting to a valid IP address and the “ignoreMissingNTPServer”
setting to 0. This means that if an NTP server is not available to EXTENDING when it starts up, then it
will automatically uninstall itself. This negates the danger of an application missing its Death Date if the
TV is disconnected from the internet. It also means that EXTENDING will never run if it cannot reach the
NTP server when it is first installed.
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