Ransomware, así se le llama, es un software malicioso que bloquea un dispositivo, computer, tableta o teléfono inteligente y exige un rescate para desbloquearlo. Se instala en el dispositivo cuando navega por varios sitios web pirateados, descarga un archivo o hace clic en un enlace incorrecto.
When the scars from WannaCry have not yet healed, a new ransomware attack arrives to torment the cyber world again: Petya, this ransomware has hit organizations across Europe, unfortunately this latest one is much more sophisticated and harmful, the year 2017 was swept by the ransomware wave, and it continues into 2018, this does not seem to end.
The most painful attacks that occurred last year were the following:
Petya: The second massive cyberattack, a variant of the Petya ransomware, resurfaced using the same EternalBlue exploit and hit organizations around the world, especially Ukraine. It was detected that it exploits MS Office and SMBv1 vulnerabilities and has worm capabilities, lo que le permite propagarse rápidamente a través de las redes infectadas.
Fireball es un malware chino que afectó a casi 250 millones de ordenadores en todo el mundo, con India entre los países más afectados. Este ataque cibernético fue diseñado para secuestrar navegadores y convertirlos en zombies. Es capaz de ejecutar cualquier código en máquinas infectadas, por lo que es capaz de realizar una amplia gama de acciones, entre ellas el robo de credenciales.
Skype: Los hackers no dejaron piedra sin remover. Se lanzaron ciberataques cuando un virus atacó la aplicación de mensajería instantánea ‘Skype’, explotando su vulnerabilidad de día cero. This Skype virus allows attackers to remotely crash the application with an unexpected exception error, overwrite active process logs and execute malicious code.
Delta Charlie, a botnet malware used by Hidden Cobra, has affected thousands of computers worldwide. This cyberattack launches denial-of-service attacks by installing on vulnerable machines because they do not have the necessary patches installed.
Wannacry: The 12 of May of 2017 witnessed the largest cyberattack ever carried out on the Internet. A ransomware called WannaCry broke into the network. It targeted computers with Windows operating systems that are not updated and brought computer systems from Russia to China and the US to their knees. UU.