Believe it or not, WannaCry virus around the world continue to create victims, a new report shows that last year WannaCry virus is still ranked first blackmail virus software.
Precise Security company said the device is locked ransomware, more than 23.5% were found to be WannaCry virus, and spam and phishing e-mail is still the most common source of infection last year.
Not less than 67% of ransomware infections are sent via e-mail, and the lack of network security training, weak passwords and access management is the next cause computer encryption after the attack.
Only 16% of ransomware attacks from malicious Web sites and online advertising.
For the number of government agencies, healthcare, energy sector and educational institutions ransomware attacks continued to rise. Although some simple ransomware may be in a knowledgeable person is not difficult to reverse the way locking system, but more sophisticated malware will use a technique called virus extortion password.
WannaCry
WannaCry ransomware broke out in May 2017, when the first wave of Windows your computer is infected, but a US National Security Agency called "Eternal Blue" (EternalBlue) vulnerabilities are broken. Microsoft quickly released a patch to prevent this vulnerability, including the Windows XP operating system vulnerabilities against unsupported, but worryingly, many are not running a patch of equipment still in use today.
As with other ransomware infections, WannaCry virus file stored on the device will be encrypted, and requires the user to pay for the decryption key. WannaCry seek a Bitcoin payment, according to statistics, it caused a loss of about $ 4 billion worldwide.
WannaCry caused a series concern victims, including Britain's NHS system the device is running unpatched Windows systems, mainly Windows XP.
Repair and maintenance of equipment is fully updated security software to prevent WannaCry the easiest way, but do not click on messages and files from untrusted sources.