WINDOWS DEFENDER PROTECTS AGAINST NEW MALWARE/RANSOMWARE THREAT – STAY SECURED!
Windows Defender, System Center Endpoint Protection, and Forefront Endpoint Protection detect this threat family as Ransom:Win32/Petya.
Ensure you have a definition version equal to or later than:
Threat definition version: 22.214.171.124
Version created on: 12:04:25 PM : Tuesday, June 27 2017
Last Update: 12:04:25 PM : Tuesday, June 27 2017
In addition, the free Microsoft Safety Scanner http://www.microsoft.com/security/scanner/ is designed to detect this threat as well as many others.
Those who use antivirus solutions other than Microsoft should check with their support team for security measures.
Few steps to mitigate against new ransomware:
1. Ensure you have the latest security updates installed.
2. Ensure you have the latest Anti-Virus Signatures from your preferred Anti-Virus vendor.
3. Do not open emails/attachments from unknown/anonymous sources.
4. Use recommended SPAM filtering solutions and custom ports.
Note: These are good security defense-in-depth recommendations that may prevent being infected by this ransomware, but these steps alone do not ensure against infection.
Source Credits: Microsoft