How To protect against Wanna Cry Ransomware?

         How To protects against WannaCry Ransomware?

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Ransomware is causing major disruptions in recent years.

Lately leaked dump of NSA EternalBlue make the most is utilized by cyber criminals to spread WannaCry ransomware global. Dump of MS-17-010 windows OS Vulnerability become made public by using the infamous Shadow Broker group on 14th April 2017. This vulnerability affects the maximum of the computing device and server editions Microsoft home windows and Microsoft has released the patch for the same in March 2017. However, structures which have now not applied this patch are tormented by the Wanna Cry ransomware which makes use of warlike behavior to have an effect on the vulnerable device on the net.

WannaCry Creating Havoc Worldwide

This ransomware has already affected excessive profile groups in Spain, united kingdom, China and other nations along with India. these businesses consist of clinics and hospitals in the united kingdom, telecom, gas, power and other application vendors. Many universities in China have also been targeted.

How WannaCry Ransomware works?

The assault is carried whilst structures are tied to the community using SMB services. These services are attacked and exploited by way of “Eternal Blue” exploit, planting Wanna Cry Ransomware causing the record encryption after a hit execution.  When files are encrypted, it tracks on “. WNCRY” extension to all encrypted files. After successful exploitation, it adds the below files to the system:

C:\ProgramData\<random_alphanumeric>\@WanaDecryptor@.exe

C:\ProgramData\<random_alphanumeric>\tasksche.exe

C:\ProgramData\<random_alphanumeric>\taskdl.exe

C:\ProgramData\<random_alphanumeric>\taskse.exe

WannaCry adds below malicious registry entries to make persistence into the system so that it could launch the infection after each system reboot:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

“xwjfzbtm432″=”\”C:\\ProgramData\\<random_alphanumeric>\\tasksche.exe\“”

After successful encryption, it shows below warning message containing instructions to follow to recover the files. The countdown timer is shown to create panic so as to make the victim pay the demanded ransom. Otherwise, it threatens that all encrypted data would be deleted. WannaCry shows ransomware warning message in the language of the current region.

How To protects against WannaCry Ransomware?

Quick Heal Virus Protection successfully detects and cleans malicious file responsible for file encryption as “TrojanRansom.Wanna”

Quick Heal Advanced Behavior Detection System proactively detects this ransomware activity successfully based on its behavior. The user needs to click on BLOCK button in this situation to stop encryption activity.

Guidelines to lessen ransomware attacks:

Taking the following measures to reduce the risk of infection by WannaCry Ransomware:

• Apply Patch for vulnerabilities used by this ransomware from Microsoft
• Take a regular backup 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.

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