Thanks to Remixed for the heads up
Antimalware Defender is the new rogue security application from Virusdoctor rogue family.
The gang has replaced the routine installation splash screen with a fake System security update window in order to trick the user into thinking that it’s a legitimate System security update.
Screenshot of the Fake System security update used by Antimalware Defender
Screenshot of Antimalware Defender application
Antimalware Defender removal instructions here
Bharath M N