A regret that support for Windows XP ended already a few years ago, given the great destructive power of WannaCrypt while Microsoft had promised that there would be more patches safety for older versions of Windows, perhaps due to the serious circumstances in the last days (+ of 150 countries)» , this has forced Microsoft to launch a emergency update for your veteran operating system which, for better or for worse, is still used by millions of users (including government agencies)
this ransomware (English ransom ‘rescue’, and ware software), has used a very virulent propagation vector, taking advantage of a vulnerability already reported by Microsoft in March and exploitable by LAN without interaction by the user, which has done more aggressive dissemination, which as we know has affected hospitals, companies and individuals in more than 150 countries.
WannaCry has been extended to 300,000 machines in more than 150 countries, say experts, and the study of its operation it has been discovered that the code parts already used in the code of a backdoor called Contopee developed by the Lazarus Group in 2015.
perhaps what this virus has done different is that despite that follows the classic mechanism of infection (via s massive pam to e-mail addresses with the dropper to the payload download link) once it sneaks into the host team not only encrypts the files to which you have access , but taking advantage of network connectivity and the mentioned vulnerability, you try to transmit for all teams in a very quick manner, reason why many companies, one that detected it, at one of its teams, decided to turn off your entire infrastructure until their teams,
obviously detected East tested one by one great vulnerability and the possible eventual infection reach , supported operating systems latest were quickly updated by Microsoft, but now given the severity of the attack, including others more outdated as Windows Server 2003, and Windows XP, Windows 8 that has were outside support have received the required update, which should be able to download immediately from http://www.catalog.update.microsoft.com/Search.aspx?q=KB4012598 .
if for any reason could not install this patch (for example by not having updated your version of Windows to the latest Service Pack), Microsoft recommends urgently perform the following steps to protect your computer:
Finally although on saying it, if any of the old versions of windows you have installed an antivirus not this evil force your update as many antivirus given the shock media, have updated their versions to detect this famous ransomware