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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.39992
Trojan.Encoder.39993
Trojan.Encoder.39994
Trojan.Encoder.39995
Trojan.Encoder.39996
Trojan.Encoder.39997
Trojan.Encoder.39998
Trojan.Encoder.39999
Trojan.Encoder.400
Trojan.Encoder.40000
Trojan.Encoder.40001
Trojan.Encoder.40002
Trojan.Encoder.40003
Trojan.Encoder.40004
Trojan.Encoder.40005
Trojan.Encoder.40006
Trojan.Encoder.40007
Trojan.Encoder.40008
Trojan.Encoder.40009
Trojan.Encoder.40010
Trojan.Encoder.40011
Trojan.Encoder.40012
Trojan.Encoder.40013
Trojan.Encoder.40014
Trojan.Encoder.40015
Trojan.Encoder.40016
Trojan.Encoder.40017
Trojan.Encoder.40018
Trojan.Encoder.40019
Trojan.Encoder.40020
Trojan.Encoder.40021
Trojan.Encoder.40022
Trojan.Encoder.40023
Trojan.Encoder.40024
Trojan.Encoder.40025
Trojan.Encoder.40026
Trojan.Encoder.40027
Trojan.Encoder.40028
Trojan.Encoder.40029
Trojan.Encoder.40030
Trojan.Encoder.40031
Trojan.Encoder.40032
Trojan.Encoder.40033
Trojan.Encoder.40034
Trojan.Encoder.40035
Trojan.Encoder.40036
Trojan.Encoder.40037
Trojan.Encoder.40038
Trojan.Encoder.40039
Trojan.Encoder.40040

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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.