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Patching Windows XP against WannaCry ransomware

Credit to Author: Michael Horowitz| Date: Sun, 14 May 2017 12:56:00 -0700

Microsoft just released a patch for Windows XP that fixes a file sharing flaw being exploited by the WannaCry ransomware. Here’s how to install it. 

You can download some versions of the patch using links at the bottom of this May 12th  Microsoft article: Customer Guidance for WannaCrypt attacks. The full list of patch variants, including languages other than English, is in the Windows Catalog, just search for KB4012598. Windows Update does not work on XP.

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Microsoft issues first Windows XP patch in 3 years to stymie 'WannaCrypt'

Credit to Author: Gregg Keizer| Date: Sun, 14 May 2017 11:00:00 -0700

Microsoft on Friday took the unprecedented step of issuing patches for long-demoted versions of Windows, including Windows XP, to immunize PCs from fast-spreading ransomware that has crippled machines worldwide.

To stymie “WannaCrypt” attacks — which encrypted files on thousands of PCs used by the U.K.’s National Health Service (NHS), causing chaos in many hospitals — Microsoft published patches for Windows XP, Windows 8 and Windows Server 2003. All had been retired from support: Windows XP in April 2014, Windows 8 in June 2016, Windows Server in July 2015.

“We are taking the highly unusual step of providing a security update for all customers to protect Windows platforms that are in custom support only, including Windows XP, Windows 8, and Windows Server 2003,” said Phillip Misner, a principal security group manager at the Microsoft Security Response Center (MSRM), in a post to a company blog late Friday.

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'Kill switch' helps slow the spread of WannaCry ransomware

Credit to Author: Michael Kan| Date: Fri, 12 May 2017 18:24:00 -0700

Friday’s unprecedented ransomware attack may have stopped spreading to new machines — at least briefly — thanks to a “kill switch” that a security researcher has activated.

The ransomware, called Wana Decryptor or WannaCry, has been found infecting machines across the globe. It works by exploiting a Windows vulnerability that the U.S. National Security Agency may have used for spying.

The malware encrypts data on a PC and shows users a note demanding $300 in bitcoin to have their data decrypted. Images of the ransom note have been circulating on Twitter. Security experts have detected tens of thousands of attacks, apparently spreading over LANs and the internet like a computer worm.

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Microsoft posts PowerShell script that spawns pseudo security bulletins

Credit to Author: Gregg Keizer| Date: Fri, 12 May 2017 11:48:00 -0700

A Microsoft manager this week offered IT administrators a way to replicate — in a fashion — the security bulletins the company discarded last month.

“If you want a report summarizing today’s #MSRC security bulletins, here’s a script that uses the MSRC Portal API,” John Lambert, general manager of the Microsoft Threat Intelligence Center, said in a Tuesday message on Twitter.

Lambert’s tweet linked to code depository GitHub, where he posted a PowerShell script that polled data using a new API (application programming interface). Microsoft made the API available in November when it first announced that it planned to axe the security bulletins it had issued since at least 1998.

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