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MSRC

Ransomware

Customer Guidance for the Dopplepaymer Ransomware

Wednesday, November 20, 2019

Microsoft has been investigating recent attacks by malicious actors using the Dopplepaymerransomware. There is misleading information circulating about Microsoft Teams, along with references to RDP (BlueKeep), as ways in which this malware spreads. Our security research teams have investigated and found no evidence to support these claims. In our investigations we found that the malware relies on remote human operators using existing Domain Admin credentials to spread across an enterprise network.

Update on Petya malware attacks

Wednesday, June 28, 2017

As happened recently with WannaCrypt, we again face a malicious attack in the form of ransomware, Petya. In early reports, there was a lot of conflicting information reported on the attacks, including conflation of unrelated and misleading pieces of data, so Microsoft teams mobilized to investigate and analyze, enabling our Malware Protection team to release signatures to detect and protect against the malware.

Customer Guidance for WannaCrypt attacks

Saturday, May 13, 2017

Microsoft solution available to protect additional products Today many of our customers around the world and the critical systems they depend on were victims of malicious “WannaCrypt” software. Seeing businesses and individuals affected by cyberattacks, such as the ones reported today, was painful. Microsoft worked throughout the day to ensure we understood the attack and were taking all possible actions to protect our customers.