How to remove TeslaCrypt ransomware

What is TeslaCrypt?

Teslacrypt is a ransomware application that was released in February 2015. The ransomware is designed to infect all versions of Windows existing at the moment. Settled on a victim’s system TeslaCrypt makes changes on a system level, which start with disabling of Windows Task Manager, Regedit and Command Prompt tools. Blocking of these utilities is aimed to complicate the removal process and to tighten the pressure showing the user that the computer is totally under the control of the ransomware. Alongside with that TeslaCrypt adds its files to the Application Data folder as well as several registry entries to the registry. finalement, the ransomware scans all drive letters for the files with specific extensions that are to be encrypted. It’s noteworthy that TeslaCrypt will look for data on all drivers including removable, network folders and DropBox locations.

TeslaCrypt ransomware

The algorithm Teslacrypt uses is AES-256 code, though the wallpaper and the notes of the ransomware may state different. The affected files become inaccessible and gain the extension that varies due to the Teslacrypt version. Alongside with file ciphering TeslaCrypt will add a text note to every location containing encrypted files, as well as change your wallpaper and add a note to your desktop. There you will see several URLs to Decryption Service site with the stated amount of ransom and corrupted files.

What to do if your PC is infected with TeslaCrypt

Dès que vous remarquez la présence du ransomware sur votre système, vous devez éteindre votre ordinateur. S'il est possible d'essayer de créer une sauvegarde ou une image de vos informations sur le disque dur. Cela peut vous permettre de réserver l'état de vos disques en cas d'une méthode de déchiffrement serait créé par la suite.

How TeslaCrypt got installed on your computer

The strongest chances to get TeslaCrypt virus is via malicious sources. Usually these are hacked by malware developers sites that now use exploit kits. Exploit kits is software that employs weak spots of your programs. After an exploit kit sneaks into your computer it is capable of installing and launching the ransomware without user’s knowledge.

Symptoms of TeslaCrypt infection

Il est difficile de ne pas remarquer ransomware, car il a souvent l'un des processus responsables de l'affichage d'un message de notification. Cette fenêtre bloque l'écran en laissant les alternatives minimum utilisateur. outre, certains fichiers seront inaccessibles, comme dans de nombreux cas, les encrypte ransomware exaspérer l'effet faire peur.


How to remove TeslaCrypt?

Pour vous assurer que l'adware ne réapparaît pas, you need to delete TeslaCrypt completely. Pour cela, vous devez supprimer les fichiers et les entrées de registre du ransomware. Nous devons vous avertir que l'exécution certaines des étapes peut nécessiter des compétences supérieures à la moyenne, donc si vous ne vous sentez pas assez d'expérience, vous pouvez demander à l'outil de la suppression automatique.
Télécharger Norton

Performing an antimalware scan with Norton would automatically search out and delete all elements related to TeslaCrypt Ransomware. It is not only the easiest way to eliminate TeslaCrypt Ransomware, mais aussi le plus sûr et le plus rassurant.


Steps of TeslaCrypt manual removal

Redémarrez Windows en mode sans échec

Pour Windows 7, 8, XP and Vista:

  1. Restart the system
  2. While computer is rebooting press F8 several times
  3. In the appeared list of options choose Safe Mode

Pour Windows 10:

  1. In the Start menu click on the power button
  2. Hold Shift and choose Restart
  3. Choose Troubleshoot
  4. In the Advanced Options choose Startup Settings
  5. Click Restart
  6. Select Enter Safe Mode With Networking

Delete files and registry entries added by TeslaCrypt

Maintenant, vous serez en mesure d'atteindre les fonctions nécessaires et les fichiers. Pour l'élimination de l'activité ransomware, vous devez trouver tous les éléments suivants et les supprimer.

Remove TeslaCrypt files and folders:

%AppData%\.exe
%AppData%\key.dat
%AppData%\log.html
%LocalAppData%\.exe
%LocalAppData%\storage.bin
%LocalAppData%\log.html
%Desktop%\Save_Files.lnk
%Desktop%\CryptoLocker.lnk
%Desktop%\HELP_TO_DECRYPT_YOUR_FILES.bmp
%Desktop%\HELP_TO_DECRYPT_YOUR_FILES.txt
%Desktop%\HELP_TO_SAVE_FILES.txt
%Desktop%\HELP_TO_SAVE_FILES.bmp
%Documents%\RECOVERY_FILE.TXT
%Desktop%\HELP_RESTORE_FILES.bmp
%Desktop%\HELP_RESTORE_FILES.txt
HELP_RESTORE_FILES_.TXT

Remove TeslaCrypt registry entries:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\AVSvc %AppData%\.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\crypto13 %AppData%\.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\AVrSvc %LocalAppData%\.exe
HKCU\Control Panel\Desktop\Wallpaper "%Desktop%\HELP_RESTORE_FILES.bmp"
HKCU\Control Panel\Desktop\Wallpaper "%Desktop%\HELP_TO_DECRYPT_YOUR_FILES.bmp"
HKCU\Control Panel\Desktop\Wallpaper "%Desktop%\HELP_TO_SAVE_FILES.bmp"

Restore the files encrypted by TeslaCrypt

Utilisez l'outil de décryptage

Some time after the spread of TeslaCrypt the decryption tool was released. TeslaDecoder is capable of handling the files with .ECC, .EXX, and .EZZ extensions. You can download the decryption tool here. To use it simply extract the archive and run the TeslaDecoder.exe file. When launched the tool will scan storage.bin, key.dat and Windows Registry for a key. If it manages to detect the key, the utility will inform user that it can start decryption. Otherwise you can input the path to storage.bin or key.dat files manually.
We advise to run a test decryption first before launching a full operation. For this replace an encrypted file into a new folder and click Decrypt Folder. If the process goes smoothly, then you can proceed to the Decrypt All option.

Restaurer le système

  1. Initiate the search for ‘system restore
  2. Cliquez sur le résultat
  3. Choose the date before the infection appearance
  4. Suivez les instructions à l'écran

Rouler des fichiers à la version précédente

  1. Right-click the file and choose Properties
  2. Open the Previous Version tab
  3. Select the latest version and click Copy
  4. Click Restore

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