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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.3186
Android.Locker.3187
Android.Locker.3188
Android.Locker.3189
Android.Locker.3190
Android.Locker.3191
Android.Locker.3192
Android.Locker.3193
Android.Locker.3194
Android.Locker.3195
Android.Locker.3196
Android.Locker.3197
Android.Locker.3198
Android.Locker.3199
Android.Locker.3200
Android.Locker.3201
Android.Locker.3202
Android.Locker.3206
Android.Locker.3207
Android.Locker.3208
Android.Locker.3209
Android.Locker.3210
Android.Locker.3212
Android.Locker.3213
Android.Locker.3214
Android.Locker.3215
Android.Locker.3216
Android.Locker.3217
Android.Locker.3218
Android.Locker.3219
Android.Locker.3220
Android.Locker.3222
Android.Locker.3223
Android.Locker.3224
Android.Locker.3225
Android.Locker.3226
Android.Locker.3227
Android.Locker.3228
Android.Locker.3229
Android.Locker.3230
Android.Locker.3232
Android.Locker.3233
Android.Locker.3234
Android.Locker.3235
Android.Locker.3236
Android.Locker.3237
Android.Locker.3238
Android.Locker.3239
Android.Locker.3240
Android.Locker.3241
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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.