Tuesday, 16 May 2017

How to protect your system from WannaCry Ransomware.

A decade-old form of malicious software known as ransomware has been making headlines after cybercriminals hijacked hundreds of thousands of computers worldwide.Ransomware, which is often transmitted by email or web pop-ups, involves locking up people’s data and threatening to destroy it if a ransom is not paid. The global cyberattack has affected 200,000 Windows computers in more than 150 countries, including China, Japan, South Korea, Germany and Britain.

Ransomware virus


WannaCry Ransomware: How to protect yourself with os updates

Windows 7 : 

May, 2017 Security Monthly Quality Rollup for Windows 7 (KB4019264)
April, 2017 Preview of Monthly Quality Rollup for Windows 7 (KB4015552)
April, 2017 Security Monthly Quality Rollup for Windows 7 (KB4015549)
March, 2017 Security Monthly Quality Rollup for Windows 7 (KB4012215)
March, 2017 Security Only Quality Update for Windows 7 (KB4012212)
If you have any of those patches already installed, you’re golden.
If you have none of those patches, download and install the May, 2017 Security Monthly Quality Rollup for Windows 7 (KB4019264) for 32-bit or 64-bit.
If you’re manually installing Security-only patches in the “Group B” style, you MUST have the March, 2017 Security Only Quality Update for Windows 7 (KB4012212).
Other Security-only patches don’t include the MS17–010 fix.

Windows 8.1:

May, 2017 Security Monthly Quality Rollup for Windows 8.1 (KB4019215)
April, 2017 Preview of Monthly Quality Rollup for Windows 8.1 (KB4015553)
April, 2017 Security Monthly Quality Rollup for Windows 8.1 (KB4015550)
March, 2017 Security Monthly Quality Rollup for Windows 8.1 (KB4012216)
If you have any of those patches, you’re fine.
If you have none of those patches, download and install the May, 2017 Security Monthly Quality Rollup for Windows 8.1 (KB4019215) for 32-bit or 64-bit.
See note above about Security-only patches.

Windows 10 :

Creators Update (version 1703) is OK.
Anniversary Update (version 1607) — Check your build number. If you have Build 14393.953 or later, you’re fine. If you don’t, use Windows Update to install the latest build 14393.1198.
Fall (November) Update (version 1511) — use the steps above to check your build number. You have to be at build 10586.839 or later.
RTM (version 1507) — same procedure, make sure you’re up to or beyond build 10240.17319.

These patches will upgrade windows to the latest builds for each version.
May, 2017 Cumulative Update for Windows 10 (KB4019474) — 10240.17394
May, 2017 Cumulative Update for Windows 10 Version 1511 (KB4019473) — 10586.916
May, 2017 Cumulative Update for Windows 10 Version 1607 (KB4019472) — 14393.1198
May, 2017 Cumulative Update for Windows 10 Version 1703 (KB4016871) — 15063.29 — but this version is ok

I suggest though that you make a plan for updating these systems to 1703 though if you are a enterprise user, otherwise just google the patch number and install it manually.


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