Hi-Tech

Almost all WannaCry victims were running Windows 7

Almost all WannaCry victims were running Windows 7

The group involved Adrien Guinet, Benajmin Delphy and Matthieu Suiche.

WannaCry's worm-like capacity to infect other computers on the same network with no human intervention appear tailored to Windows 7, said Paul Pratley, head of investigations & incident response at United Kingdom consulting firm MWR InfoSecurity.

About 1.5 percent of infections hit 2008 R2 Server clients, while Windows XP infections were "insignificant", Costin Raiu, director of research for Kaspersky Lab, said in a tweet. The cyberattack affected computer networks in over 150 countries including Britain, Spain, Japan, Indonesia, Taiwan to name a few. As of Friday, the three accounts known to collect ransom payments had received less than $100,000 worth of the cybercurrency bitcoin, an amount that security researchers say is small compared with how widely WannaCry spread.

Sure, a handful of companies that didn't patch their Windows systems got hit hard, but organizations that were broadly impacted were, in many cases, using outdated, unsupported computers that were not patched.

The WannaCry ransomware attack takes advantage of a vulnerability in out-of-date versions of Microsoft Windows.




The WannaCry, or Wanna Decryptor, ransomware works by encrypting files on computers, locking users out.

Wanakiwi is available on Github; once you've downloaded it and clicked on the wanakiwi.exe executable file, it will automatically begin looking for the prime numbers.

An unknown number of computers sit behind the 300,000 infected internet connections identified by Kryptos.

Rapid recoveries by many organisations with unpatched computers caught out by the attack may largely be attributed to back-up and retrieval procedures they had in place, enabling technicians to re-image infected machines, experts said.

Meanwhile, Fong said he has to date received information that at least 16 devices locally have been affected by the ransomware. But did Microsoft write the fixes months before WannaCry went public?


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