Blackmailer often choice some famous people as target for ransom. Due to the miss of private infonnation give blackmailer these chances, and the ransom method is the same with above introduction and the articles described in Section Three. For example, famous people such as movie star, singer and political figure who like to download the app from Android market, the spyware then extract their personal contents such as address book. Finally, using it to deliver the malicious code to related friends, sell these
private contents and update to application server. The approach can be tailored to produce the same scenario in the industrial, political or financial world.