Четверг, 14 Декабря, 2017

WanaWiki is a tool to decrypt your PC infected by WannaCry

WanaWiki is a tool to decrypt your PC infected by WannaCry WanaWiki is a tool to decrypt your PC infected by WannaCry
Kayla Schwartz | 26 Мая, 2017, 01:32

The WannaCry ransomware demanded a payment of about $300 or £230 in bitcoins after encrypting files.

What they are working on is reducing the size of updates so they are faster and cheaper to download in markets like South Africa. Cooperative cyber-security efforts between certain allies - like the U.S. and European governments, for instance - is probably doable. With the majority of systems affected being Windows 7, rather than Windows XP, that left a lot of users out of luck.

However, new research from cyber security firm Kaspersky has revealed that computers running Windows 7 were hardest hit by the ransomware attack, accounting for a staggering 98 percent of infected computers.

Any organisation which heeded strongly worded warnings from Microsoft to urgently install a security patch it labelled "critical" when it was released on 14 March on all computers on their networks are immune, experts agree. And this most recent attack represents a completely unintended but disconcerting link between the two most serious forms of cybersecurity threats in the world today: nation-state action and organized criminal action. Companies must be vigilant, keeping an eye out for social engineering schemes (i.e. where an individual calls a business claiming to be from Microsoft and offering support if given access to its servers) and variant ransomware created by other attackers and used to exploit the WannaCry attack separately and independently. He said pro-active measures should be taken by banks and other financial institutions, hospitals, schools and even military institutions to protect their telecoms facilities.

Seeking to head off further criticism in the wake of the WannaCry outbreak, the USA software giant last weekend released a free patch for Windows XP and other older Windows versions that it previously only offered to paying customers. It also won't work if the infected computer was rebooted since first infected.

What to do if your computer is infected?

Читайте также: Here's what the 'glowing orb' Trump touched in Saudi Arabia actually was

Readers can find more information on how to defend themselves against WannaCry here.

Individual machines could be infected - the researchers and testers who put WannaCry on Windows XP systems likely ran it manually - but the worm-like attack code would not spread from an XP PC, and in some cases, executing the exploit crashed the computer.

"Knowing the vulnerabilities of the Windows system, we should expect more forms of ransomware coming up".

WannaCry landed nine weeks after Microsoft's patch arrived.

"Secondly, because of the same reason we do not know how long the prime numbers will be kept in the address space before being reused by the process".

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