F-Secure detects text message Trojan variants on the Android platform

F-Secure announced the discovery of two Android platform Trojans, one of which will cheat users in downloading the "Angry Bird Seasons v2.0.0 limited edition". In fact, false downloading is a real scam, they pretend to be able to download genuine free angry birds and other game Words, but in fact they only cheat users and automatically send multiple paid text messages.

The Trojan name is pseudo-Trojan: Android/fakenoworkflow. a. The installation diagram is displayed in the user's mobile phone directory. After the installation, Angry Bird Seasons v2.0.0 is displayed for download. After the user clicks download, the app will automatically send three groups of SMS messages (charged SMS numbers to Russia) secretly ). In addition, the user will not download it to Angry Bird Seasons v2.0.0. Instead, the user will be deceived to send multiple paid text messages, and then show that the user can download more applications from a website, and those applications may also be one of the Trojans.

In addition, F-Secure also found another Trojan: Android/SMStado. A Trojan will steal the user's IMEI code, mobile phone model, and phone number from the background, and upload it to the Internet to send A Russian paid SMS number.

Trojan: Another feature of Android/SMStado. A Trojan is that it can automatically download another Trojan program from the Internet and start it with your mobile phone.

According to F-Secure, the above viruses are rare, but Trojan makers are increasingly familiar with the user mentality, packaging applications disguised as popular in the market. In fact, users should not download applications in untrusted places, be careful when installing the application to avoid any possible mistakes. When an application is installed, the Android mobile phone displays the authorization required by the application, and the user may not pay attention to it and press "OK". The virus is exploited to intrude into the application using Trojan: Android/SMStado. for example, when A virus is installed, the mobile phone already prompts the user program to send text messages and pay for them.