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Virus library

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.

Android.Locker in virus library:

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.

screenshot

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 in virus library:

Android.Locker.4211
Android.Locker.4212
Android.Locker.4213
Android.Locker.4214
Android.Locker.4215
Android.Locker.4216
Android.Locker.4217
Android.Locker.4218
Android.Locker.4219
Android.Locker.4221
Android.Locker.4223
Android.Locker.4226
Android.Locker.4227
Android.Locker.4228
Android.Locker.4229
Android.Locker.4230
Android.Locker.4234
Android.Locker.4235
Android.Locker.4236
Android.Locker.4237
Android.Locker.4238
Android.Locker.4239
Android.Locker.4240
Android.Locker.4241
Android.Locker.4242
Android.Locker.4243
Android.Locker.4244
Android.Locker.4245
Android.Locker.4246
Android.Locker.4247
Android.Locker.4248
Android.Locker.4249
Android.Locker.4252
Android.Locker.4253
Android.Locker.4254
Android.Locker.4255
Android.Locker.4256
Android.Locker.4257
Android.Locker.4258
Android.Locker.4259
Android.Locker.4260
Android.Locker.4261
Android.Locker.4262
Android.Locker.4263
Android.Locker.4264
Android.Locker.4265
Android.Locker.4266
Android.Locker.4267
Android.Locker.4268
Android.Locker.4270

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Vulnerabilities for Android

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.