WannaCry Ransomware Creating Havoc Worldwide

Ransomware are causing major disruptions in recent years.

Recently leaked dump of NSA EternalBlue exploit is used by cybercriminals to spread WannaCry ransomware worldwide. Dump of MS-17-010 Windows OS Vulnerability was made public by the notorious Shadow Broker group on 14th April, 2017. This vulnerability affects most of the desktop and server editions Microsoft Windows and Microsoft has released patch for the same in March, 2017. However, systems that have not applied this patch are affected by the WannaCry ransomware which uses wormlike behavior to affect vulnerable system on the network.

WannaCry Creating Havoc Worldwide

This ransomware has already affected high profile organizations in Spain, UK, China and other countries including India. These organizations include clinics and hospitals in UK, telecom, gas, electricity and other utility providers. Many universities in China have also been targeted.

In Quick Heal Security Labs, till now 3000+ WannaCry ransomware attacks are detected out which around 2450 are from India. Quick Heal has successfully defended these cases of attacks from compromise and data encryption.

Recommendations to reduce ransomware attacks:

Quick Heal Security Labs highly recommends taking the following measures to reduce the risk of infection by WannaCry Ransomware:

  • Apply Patch for vulnerabilities used by this ransomware from Microsoft
  • Take regular back up of your important data and periodically check the backup restoration process to make sure files are getting properly restored.
  • Ensure that security solutions are switched on all nodes of the network.
  • Always keep installed security software up-to-date with latest signature updates.
  • Perform Full System Scan using installed security software.
  • Avoid clicking on links and opening attachment in emails from unknown and suspicious sources.

To know more about Ransomware and how to handle it… Read QuickHeal Blog

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