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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.3394
Android.Locker.3395
Android.Locker.3396
Android.Locker.3397
Android.Locker.3398
Android.Locker.3399
Android.Locker.3400
Android.Locker.3401
Android.Locker.3402
Android.Locker.3403
Android.Locker.3404
Android.Locker.3405
Android.Locker.3406
Android.Locker.3407
Android.Locker.3408
Android.Locker.3409
Android.Locker.3410
Android.Locker.3411
Android.Locker.3412
Android.Locker.3413
Android.Locker.3414
Android.Locker.3415
Android.Locker.3416
Android.Locker.3417
Android.Locker.3418
Android.Locker.3419
Android.Locker.3420
Android.Locker.3421
Android.Locker.3422
Android.Locker.3423
Android.Locker.3424
Android.Locker.3425
Android.Locker.3426
Android.Locker.3427
Android.Locker.3428
Android.Locker.3429
Android.Locker.3430
Android.Locker.3431
Android.Locker.3432
Android.Locker.3433
Android.Locker.3434
Android.Locker.3435
Android.Locker.3436
Android.Locker.3437
Android.Locker.3438
Android.Locker.3439
Android.Locker.3440
Android.Locker.3441
Android.Locker.3442
Android.Locker.3443
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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.