Don't WannaCry? How do I save my computer from ransomware Wannacrypt attack?

By Shekhar Sahu on

13 May, 2017  at 1:02 PM

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Ransomware hits the world on massive scale | Protect yourself with Avira Security Suite | Infosys Wipro TCS India | how to prevent ransomware

Gone are the days when some Dons would kidnap your loved ones and demand you to pay huge ransom.

This ransomware WannaCry also known as WannaCrypt was launched recently in a massive scale affecting thousands of computer over 100+ countries. The infection has hit many computers of hospitals in UK, government such as Russian ministry, telecom companies,schools, universities and large companies like FedEx etc.


WannaCry encrypts your system and demands a ransom of USD 300 equivalent Bitcoins and makes the system inaccessible. In case of failure of the bitcoin payment the files will never get unlocked and later deleted.


Where did WannaCrypt come from?

Sources say American National Security Agency developed tool ETERNALBLUE was stolen by The Shadow Brokers a hacker group and later deployed for the attack. After the theft ETERNALBLUE was kept on auction online and also made available for free to download afterwards.


How do I save myself from this ransom attack?

1. Microsoft has released a security patch against the vulnerabilities from this ransomware. But most of the computers are not up to date. First thing first make sure your operating system is updated.

2. Install an antivirus suite which supports an anti ransomware. One such AV software is Avira Security Suite. The basic version of the suite is available for free.

Download Now Free Avira Suite with ransomware protection if you don't WannaCry.


Updated on May 25th
Kaspersky also launched an antiransomware tool for businesses. Which is standalone and free, that means you don't necessarily have to have their antivirus installed on the machine.You can download the anti ransomware by registering your business here.



You can find the encrypted files now have these extensions

.lay6.WCRY,
.sqlite3.WCRY,
.sqlitedb.WCRY,
.accdb.WCRY,
.java.WCRY,
.class.WCRY,
.mpeg.WCRY,
.djvu.wcry
.tiff.WCRY,
.backup.WCRY,
.vmdk.WCRY,
.sldm.WCRY,
.sldx.WCRY,
.potm.WCRY,
.potx.WCRY,
.ppam.WCRY,
.ppsx.WCRY,
.ppsm.WCRY,
.pptm.WCRY,
.xltm.WCRY,
.xltx.WCRY,
.xlsb.WCRY,
.xlsm.WCRY,
.dotx.WCRY,
.dotm.WCRY,
.docm.WCRY,
.docb.WCRY,
.jpeg.WCRY,
.onetoc2.WCRY,
.vsdx.WCRY,
.pptx.WCRY,
.xlsx.WCRY,
.docx.WCRY,


Also read
What is a ransomware virus? How does a ransomware work?
I got attacked by WannaCry ransomware - How to decrypt the WCRY files?
Make your pen drive virus proof without any antivirus
Free anti ransomware tool from Kaspersky for businesses
I don't want to pay ransom - NO MORE RANSOM

Shekhar Sahu
Blogger, Photographer, Nutrition Adviser, SSE at Infosys, Artist

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