A danger app is availably downloaded from Android market. While using this app such as spyware, it extracts your private personal contents such as phone number,
address book, location and IMEI so on. Then, updating this infonnation to internet and exploit it to make money by ransom described in Section Three. Hence, malicious guy
can know your interests, habits and behaviours using spy apps, and they also can track you by location spyware. This infonnation can then be used to send you targeted commercial offers, or it can be sold on to other parties.