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Fix For WannaCry Ransomware Arrives and It Promises to Fix Affected Windows 7 and XP

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May 19, 2017

Deadline for WannaCry is lurking around, leaving hundreds of thousands of victims thinking whether they should pay the ransom or not. Not paying the ransom would result in losing their important files that are encrypted by the malware. Considering the value of time, a probable fix for the malware has arrived.

Cybersecurity researchers have released a key that could help the victims to decrypt the affected files. To recap, the ransomware attacked system globally on last Friday. It trapped more than 300,000 computer systems and netting more than $93,000 in Bitcoin – as the ransom until now.

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Admittedly, in most of the cases, victims end up paying the ransom due to the fear of losing their valuable data. But in some cases, organizations like No More Ransom come up with keys that help in decrypting the files for free. In the similar surge, WanaKiwi has come up with the first fix for WannaCry ransomware. But, before you start seeing the light at the end of the tunnel, we must tell you that WanaKiwi currently caters to the victims on the versions – Windows XP to Windows 7.

If you’re one of those users who has rebooted their system after the attack, then you acted too fast. For the ones who are still waiting around, here’s how you can decrypt your files with the help of WanaKiwi.

Firstly, you should know that there are two tools with the same name, the first one is named WannaKey that specifically caters to Windows XP users and is developed by the researcher Adrien Guinet from Quarks Lab. It performs an RSA key recovery on the Windows XP systems and produces a decryption code from the system’s memory. When WannaCry attacks systems, it generates the decryption key and hides it within the memory of the system that is later accessible until the reboot. Click here to download WannaKey. 

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On the other hand, WanaKiwi is an enhanced version of WannaKey that also works for Windows 7. It is developed by the French researcher Benjamin Delpy. Click here to download the WanaKiwi key from Delpy’s GitHub page. After the installation, WanaKiwi automatically starts searching for prime numbers in your computer’s memory – the numbers behind encryption. It is highly likely for WanaKiwi not to find those numbers if your system has been rebooted.

For the systems that have not been rebooted, WanaKiwi should generate keys and fix encrypted files. The software would also prevent future hacks.