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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.808
Trojan.Encoder.813
Trojan.Encoder.817
Trojan.Encoder.824
Trojan.Encoder.827
Trojan.Encoder.831
Trojan.Encoder.8383
Trojan.Encoder.8386
Trojan.Encoder.8392
Trojan.Encoder.8394
Trojan.Encoder.8395
Trojan.Encoder.8396
Trojan.Encoder.8403
Trojan.Encoder.8411
Trojan.Encoder.8415
Trojan.Encoder.8418
Trojan.Encoder.8419
Trojan.Encoder.8420
Trojan.Encoder.8421
Trojan.Encoder.8422
Trojan.Encoder.8424
Trojan.Encoder.8425
Trojan.Encoder.8426
Trojan.Encoder.8427
Trojan.Encoder.8428
Trojan.Encoder.8429
Trojan.Encoder.8430
Trojan.Encoder.8431
Trojan.Encoder.8432
Trojan.Encoder.8464
Trojan.Encoder.8469
Trojan.Encoder.847
Trojan.Encoder.8475
Trojan.Encoder.8488
Trojan.Encoder.85
Trojan.Encoder.8510
Trojan.Encoder.852
Trojan.Encoder.853
Trojan.Encoder.8536
Trojan.Encoder.8539
Trojan.Encoder.854
Trojan.Encoder.8540
Trojan.Encoder.8546
Trojan.Encoder.8549
Trojan.Encoder.855
Trojan.Encoder.858
Trojan.Encoder.8712
Trojan.Encoder.872
Trojan.Encoder.8722
Trojan.Encoder.8723

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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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