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Added to the Dr.Web virus database: 2013-04-17

Virus description added:

Trojan.Encoder.215 is a malicious program belonging to the Trojan.Encoder family. Trojans of this family encrypt files demanding a ransom for their decryption. Files that can be encrypted by the malware include documents, video and audio files, and images.

The following is an example of the text displayed by Trojan.Encoder.215 after it infects the system:

All important data (documents, images, databases, email messages, etc.) on this computer have been encrypted with a unique crypto-secure algorithm.

Even using the most up-to-date computers, file decryption will take about a year.

To decrypt the files, contact our specialist at

You will receive a reply within 12 hours.

Do not try to reinstall the operating system; it will not help.

If you attempt to scan the files using an anti-virus, your files can become corrupted.

If the file structure is modified in any way, it will be impossible to recover the file.

Do not think to threaten us. Otherwise, your files will stay encrypted.

Note that only we can decrypt your files, because we possess special software to do that.

8B BA A2 B0 B8 9C AB F1 CF C1 B8 9C F5 F4 A0 B6 AE 9C DC F2 E1 E6 EA 7B CB C1 A4 B0 E6 DC DE BB A4 BB B8 95 B1 B5 A0 B0 AD D5 DA B8 A7 BA EA B9 8C C7 A2 B0 F3 DD E5 E9 E0 C0 F6 9B B3 B2 CF F0 E2 9D AF AD A7 B3 B6 78 8C B9 A3 E9 E3 A1 AB BE E5 FE BC 9C B1 B8 CE F1 F3 CD EB B4 E7 B9 A8 78 BB 00 D6 B1 B6 9B AB BC A1

Trojan.Encoder.215 saves the text of the demand into C:\decrypting.txt.

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).

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android