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An analysis of the technologies used by cybercriminals allows us to draw conclusions about the virus industry’s possible vectors of development and more effectively confront future threats. You, too, can learn what actions various malicious programs take in infected systems and how to withstand them.
A family of ransomware Trojans for Android.
Different modifications of these malicious programs can lock the device displaying a warning about some violation of law. To unlock the device, the user has to pay a ransom. If the user attempts to close the warning message or to exit to main menu, the message reappears preventing the user from operating the device in a usual way.
More dangerous modifications of Android.Locker run a search for user files stored on an SD card (for example, graphics files with .jpeg, .jpg, .png, .bmp, .gif extensions, text files with .pdf, .doc, .docx, .txt extensions, video files with avi, .mkv, .3gp extensions) and encrypt them. Then Trojans demand a ransom to unlock these files.
If you have encountered the first modification of these Trojans, it is recommended to reboot the device in safe mode (see User Manual) and to remove the malware manually or using Dr.Web for Android.
Android.Locker.6155
Android.Locker.6156
Android.Locker.6157
Android.Locker.6158
Android.Locker.6159
Android.Locker.6160
Android.Locker.6161
Android.Locker.6162
Android.Locker.6163
Android.Locker.6164
Android.Locker.6165
Android.Locker.6166
Android.Locker.6167
Android.Locker.6168
Android.Locker.6169
Android.Locker.6170
Android.Locker.6171
Android.Locker.6172
Android.Locker.6173
Android.Locker.6174
Android.Locker.6175
Android.Locker.6176
Android.Locker.6177
Android.Locker.6178
Android.Locker.6179
Android.Locker.6180
Android.Locker.6181
Android.Locker.6182
Android.Locker.6183
Android.Locker.6184
Android.Locker.6185
Android.Locker.6186
Android.Locker.6187
Android.Locker.6188
Android.Locker.6189
Android.Locker.6190
Android.Locker.6191
Android.Locker.6192
Android.Locker.6193
Android.Locker.6194
Android.Locker.6195
Android.Locker.6196
Android.Locker.6197
Android.Locker.6198
Android.Locker.6199
Android.Locker.6200
Android.Locker.6201
Android.Locker.6202
Android.Locker.6203
Android.Locker.6204
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According to statistics, every fifth program for Android contains a vulnerability (or, in other words, a "loophole") that lets cybercriminals successfully introduce Trojans onto mobile devices and manipulate them into doing whatever actions they need them to.
Dr.Web Security Auditor for Android diagnoses and analyses a mobile device’s security and offers solutions to address security problems and vulnerabilities.