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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.

Trojan.Encoder in virus library:

A family of Trojans that encrypt files demanding a ransom for decryption of compromised data. They can encrypt archives, graphics files, documents, movie and music files, and files of other types (for example, .rar, .zip, .arj, .jzip, .jpg, .psd, .doc, .xls, .ppt, .pdf, .mp3, .ogg, .avi, .mpeg, .html, .mht, .bas, .cdx, .psw, .txt, .php, etc.).

Once files are encrypted, malicious programs of the Trojan.Encoder family, depending on their modifications, plant text files with instructions on data recovery into different directories or replace Windows Desktop wallpaper with the image that tells the user how to unlock the computer. The amount of ransom demanded for file decryption can vary from several dozens to several thousands of dollars.

If you have fallen victim to a ransomware program, do not transfer money to cybercriminals and never attempt to eliminate the problem by yourself (do not reinstall the operating system and do not delete any files), because such actions can result in all the encrypted data being permanently lost. To recover your files, contact Doctor Web technical support (free decryption service is only available to users who have purchased commercial licenses for Dr.Web products).

Trojan.Encoder in virus library:

Trojan.Encoder.20547
Trojan.Encoder.20548
Trojan.Encoder.20549
Trojan.Encoder.20559
Trojan.Encoder.20560
Trojan.Encoder.20562
Trojan.Encoder.20564
Trojan.Encoder.20565
Trojan.Encoder.20567
Trojan.Encoder.20569
Trojan.Encoder.20570
Trojan.Encoder.20571
Trojan.Encoder.20573
Trojan.Encoder.20577
Trojan.Encoder.20579
Trojan.Encoder.20580
Trojan.Encoder.20584
Trojan.Encoder.20585
Trojan.Encoder.20588
Trojan.Encoder.20590
Trojan.Encoder.20594
Trojan.Encoder.20596
Trojan.Encoder.20597
Trojan.Encoder.20604
Trojan.Encoder.20609
Trojan.Encoder.20630
Trojan.Encoder.20635
Trojan.Encoder.20652
Trojan.Encoder.20653
Trojan.Encoder.20667
Trojan.Encoder.20673
Trojan.Encoder.20675
Trojan.Encoder.20678
Trojan.Encoder.20681
Trojan.Encoder.20682
Trojan.Encoder.20683
Trojan.Encoder.20687
Trojan.Encoder.20690
Trojan.Encoder.20691
Trojan.Encoder.20692
Trojan.Encoder.20695
Trojan.Encoder.20697
Trojan.Encoder.20698
Trojan.Encoder.20699
Trojan.Encoder.20700
Trojan.Encoder.20702
Trojan.Encoder.20706
Trojan.Encoder.20707
Trojan.Encoder.20711
Trojan.Encoder.20716

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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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