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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 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.42133
Trojan.Encoder.42135
Trojan.Encoder.42145
Trojan.Encoder.42164
Trojan.Encoder.42165
Trojan.Encoder.42167
Trojan.Encoder.42168
Trojan.Encoder.42169
Trojan.Encoder.422
Trojan.Encoder.423
Trojan.Encoder.424
Trojan.Encoder.4251
Trojan.Encoder.426
Trojan.Encoder.4264
Trojan.Encoder.4286.origin
Trojan.Encoder.4291
Trojan.Encoder.4309
Trojan.Encoder.431
Trojan.Encoder.4317
Trojan.Encoder.4321
Trojan.Encoder.4324
Trojan.Encoder.4326
Trojan.Encoder.433
Trojan.Encoder.4339
Trojan.Encoder.434
Trojan.Encoder.4340
Trojan.Encoder.4345
Trojan.Encoder.435
Trojan.Encoder.4356
Trojan.Encoder.4357
Trojan.Encoder.436
Trojan.Encoder.4366
Trojan.Encoder.437
Trojan.Encoder.4378
Trojan.Encoder.4386
Trojan.Encoder.4393
Trojan.Encoder.440
Trojan.Encoder.441
Trojan.Encoder.4422
Trojan.Encoder.4448
Trojan.Encoder.4449
Trojan.Encoder.4454
Trojan.Encoder.449
Trojan.Encoder.450
Trojan.Encoder.4513
Trojan.Encoder.453
Trojan.Encoder.455
Trojan.Encoder.457
Trojan.Encoder.458
Trojan.Encoder.4643
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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.
