Ransomware

Ransomware

A ransomware  is a malicious software that can block access to a computer, a mobile phone or encrypt personal data.

Ransomware and cybercrime

This method of cybercrime aims to extort money from the victim in exchange for the release of his machine or key decryption of his data. The spread of ransomware is the same as viruses, ie through an email containing attachments or links to web sites trapped. Some CryptoLocker virus-based ransomware encrypts the data, while others run an application that will change the registry of the host computer's operating system to lock it.

Ransomware

Smartphones and tablets also targeted by ransomware

On smartphone-type mobile devices, ransomware is often hidden in pornographic or fake antivirus applications that are downloaded by the user outside official channels - all of which may pose security risks. smartphones. Criminals can also create deceptive web pages that promise pirated or adult content. They play on the feeling of guilt and fear of the policeman by posting a message from an alleged government agency (FBI, Hadopi, National Police ...). The victim is summoned to pay a fine by bank transfer, premium rate SMS or a transaction service like PayPal. In 2014, security vendor Symantec released a report showing an annual increase of 113% in the number of ransomware.