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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.4501
Android.Locker.4502
Android.Locker.4503
Android.Locker.4505
Android.Locker.4506
Android.Locker.4507
Android.Locker.4508
Android.Locker.4509
Android.Locker.4510
Android.Locker.4511
Android.Locker.4512
Android.Locker.4513
Android.Locker.4515
Android.Locker.4516
Android.Locker.4517
Android.Locker.4518
Android.Locker.4520
Android.Locker.4521
Android.Locker.4522
Android.Locker.4523
Android.Locker.4524
Android.Locker.4525
Android.Locker.4526
Android.Locker.4527
Android.Locker.4528
Android.Locker.4529
Android.Locker.4530
Android.Locker.4531
Android.Locker.4533
Android.Locker.4534
Android.Locker.4535
Android.Locker.4536
Android.Locker.4537
Android.Locker.4538
Android.Locker.4539
Android.Locker.4540
Android.Locker.4541
Android.Locker.4542
Android.Locker.4543
Android.Locker.4544
Android.Locker.4545
Android.Locker.4546
Android.Locker.4547
Android.Locker.4548
Android.Locker.4549
Android.Locker.4551
Android.Locker.4552
Android.Locker.4553
Android.Locker.4554
Android.Locker.4555

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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.

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2003 — 2022

Doctor Web is a cybersecurity company focused on threat detection, prevention and response technologies