Ransomware

Ransomware as a service ecosystems make it easier for attackers of any skill to launch effective attacks. Learn how these threats work—and how to detect, contain, and recover from them.

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April 28, 2020

13 min read

Ransomware groups continue to target healthcare, critical services; here’s how to reduce risk

Multiple ransomware groups that have been accumulating access and maintaining persistence on target networks for several months activated dozens of ransomware deployments in the first two weeks of April 2020.
April 1, 2020

5 min read

Microsoft works with healthcare organizations to protect from popular ransomware during COVID-19 crisis: Here’s what to do

Microsoft identified several dozens of hospitals with vulnerable gateway and VPN appliances.
March 5, 2020

19 min read

Human-operated ransomware attacks: A preventable disaster

In human-operated ransomware attacks, adversaries exhibit extensive knowledge of systems administration and common network security misconfigurations, perform thorough reconnaissance, and adapt to what they discover in a compromised network.
December 17, 2019

1 min read

Norsk Hydro responds to ransomware attack with transparency

Aluminum supplier Norsk Hydro was attacked by LockerGoga, a form of ransomware.
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August 7, 2018

3 min read

Protecting the modern workplace from a wide range of undesirable software

Security is a fundamental component of the trusted and productive Windows experience that we deliver to customers through modern platforms like Windows 10 and Windows 10 in S mode.
June 7, 2018

6 min read

Machine learning vs. social engineering

Machine learning is a key driver in the constant evolution of security technologies at Microsoft.
June 30, 2017

8 min read

Exploring the crypt: Analysis of the WannaCrypt ransomware SMB exploit propagation

On May 12, there was a major outbreak of WannaCrypt ransomware.
June 27, 2017

10 min read

New ransomware, old techniques: Petya adds worm capabilities

On June 27, 2017 reports of a ransomware infection began spreading across Europe.
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May 12, 2017

9 min read

WannaCrypt ransomware worm targets out-of-date systems

In this blog, we provide an early analysis of the end-to-end ransomware attack.
May 26, 2016

2 min read

Limited Periodic Scanning in Windows 10 to Provide Additional Malware Protection

Every month, Microsoft’s Malicious Software Removal Tool (MSRT) scans more than 500 million Windows devices for malware and malicious software.
April 12, 2016

3 min read

MSRT April release features Bedep detection

As part of our ongoing effort to provide better malware protection, the Microsoft Malicious Software Removal Tool (MSRT) release this April will include detections for: Win32/Bedep – Trojan family Win32/Upatre – Trojan family Ransom:MSIL/Samas – Ransomware family In this blog, we’ll focus on the Bedep family of trojans.
December 17, 2014

3 min read

Your Browser is (not) Locked

Most ransomware has a binary file that needs to be executed before it can infect your PC.

Ransomware

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