ESET NOD32
From WPKG | Open Source Software Deployment and Distribution
An XML still needs to be written, but here's a basic set of instructions on how it can be done via command line;
http://www.eset.eu/knowledge-base/ess-eav-specific-installation
And according to appdeploy, the uninstall should be doable via;
MsiExec.exe /I{35EB8A68-BED1-42DE-97CC-91A7DCA4A701}
Other less helpful but interesting links;
http://kb.eset.com/esetkb/index?page=content&id=SOLN2185
http://kb.eset.com/esetkb/index?page=content&id=SOLN166
http://kb.eset.com/esetkb/index?page=content&id=SOLN2227