With an install file size of 164Mbytes, that is a full system image.
Anyone want to bet they changed more than the number of clicks it takes to buy something from them?
The good news (written for our non-tech readers): These full system image files are actually easier to audit for changes than the little incremental update files.
When (if) any of the development members get back from summer holidays - somebody will take on this challenge.
Meanwhile, stay in Airplane Mode until we can learn what has really been done to this version.

OR
Be sure you have the Kual.Firewall and Kual.BackdoorLock installed and activated.

OR
Be brave - do the update - risk only the loss of control over your own device (and let us know with a post here how that goes).