DoubleLocker ransomware attack : How to stay safe

Posted by Sdtechi on Wednesday, November 1, 2017

A new ransomware is making damages to android smartphones. DoubleLocker a malicious ransomware that can changes your phone pin and encrypt your data. And finally asking for money in bit coin to recover the encrypted data. Though there is no guarantee that after paying the money you will get your data recovered.

DoubleLocker ransomware is spreading through popup advertisement, where user promts to do a fake update to adobe flash player. If the user click on it, the app get installed on your device and disabled the back button feature. And force the user to activate certain features on the device by appeaing  continous pop up screen. Also every time the user presses the home button it get lock the screen.

The encryption process is done using AES algorithm techniques. And the extension of the files after encryption is ".cryeye". There is no way to recover the files without knowing the encryption key. Also the cyber criminals demands the money within 24 hours, or else it will get locked permanently.

How to stay safe from DoubleLocker ransomware:

  • Never click on suspicious links. Malicious links mostly appear by popup advertisement.
  • Never give administrative rights to any application even it is downloaded from official stores.
  • Do not download apps from SMS or EMAIL links.
  • Backup your data using a authenticate online or offline service.
  • Keep your OS and Applications up to date.

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