How to Defend Your Devices from WannaCry Ransomware?

The fight against the attack which was started on Friday is still in process. The WannaCry ransomware encrypts the files of the folk computers not permitting them to work. It has made situations; either the people have to pay up to $300 in bitcoin or the price will be doubled after three days to get a description key for their devices or they have to bear the risk of losing their efficient data permanently. Additionally, it also infects the computers as well as servers on the same network, acting as a worm.

Last week itself, a security analyst is succeeded in slowing down ransomware by accompanying its code with a kill switch. But it has grown further as it has been updated without involving the kill switch. Today, WannaCry has extended to more than 150 countries and around 200,000 computers forcing universities, warehouses, hospitals and banks to shut down.

Not only the institutions, governments and businesses but also the individuals are at risks by this issue, as it targets the weaknesses of the Windows OS present in the past editions of operating system that had not been updated. 

The OSes that can get affected

The operating systems of the older Windows such as Windows 8, Windows XP, Windows Server 2003 and more are vulnerable to the attacks.

Present iteration of WannaCry ransomware should not exploits the vulnerability in Windows recent version operating system, having up-to-date system updates.  List is given below:

  • Windows 10
  • Windows 8.1
  • Windows 7
  • Windows Vista
  • Windows Server 2008
  • Windows Server 2008 R2
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2016

But to obtain and maintain the safety, one has to keep these newer versions of Windows updated.

MacOS, Linux or ChromeOS as well as iOS and Android users don’t have to worry about the threat. 

Update your Windows instantly

Microsoft had issued some rare strength to the older versions of Windows to somehow safe your devices from this WannaCry. One can download these security updates here:

  • Windows 8 x86
  • Windows 8 x64
  • Windows XP SP2 x64
  • Windows XP SP3 x86
  • Windows XP Embedded SP3 x86
  • Windows Server 2003 SP2 x64
  • Windows Server 2003 SP2 x86 

Windows Update option should be turned on

If one’s device automatic update is disabled, move to Windows control panel and turn and leave the option “on” allowing the system to update automatically, provided by Microsoft to fix the problem with the current version of Windows 10. 

Installation of a dedicated ransomware blocker

Assuming that your current antivirus utility (especially of outdated edition or using one at all) is providing proper safety from ransomware is wrong. Till now, many of huge suites are not able to provide ransomware blocker.

To ensure your safety, carry out the required web searches for specifying one’s product edition and view whether it is provided in the featured list or navigate your utility settings and check if there is something about ransomware.

A dedicated anti-ransomware utility must be installed in case one is not having or not sure about the availability of the safety for your Windows edition. Cybereason Ransomfree and Malwarebytes Anti-Ransomware are two free alternatives. 

For additional protection, block port 445

If one haven’t strengthen one’s OS till now, he/she can block TCP port 445 for its security, this is posted on twitter by Malware tech, security analyst of which had slowed down the WannaCry ransomware attack on Friday.

Always keep an eye on the alterations

Researchers at Heimdal Security reported that ransomware’s new variations named Uiwix have popped up lacking the Achilles heel. Hence, one should always remain updated to these types of news.

Is my phone or tablet prone to Ransomware?

A Windows-specific form of worm named WannaCry/WannaCrypt Ransomware is designed to target the operating system of Windows as well as files present in it. Hence, mobile Operating Systems like Android and iOS users don’t have to worry regarding this threat. Well said; one have to be take precautions before tapping links on websites and e-mails.  

What the already infected users can do?

In this case, there is no option to reverse the encryption without the payment. Hence many organizations as well as individuals whose computers are already locked will end the ransom by making the payment for it. Otherwise, Bleeping computer Support works as a guide for removal of ransomeware. But can’t say anything surely about this process and one noticeable thing is that even after the device had been unlocked, the malware keeps on disturbing your computer.

Cloud storage

This is the most appropriate time to check that one’s online backup or storage provider is actually keeping rollback edition of your files or not and hence to know the availability of an alternate option, other than paying for the removal of ransomeware by using this cloud backup tool. This tool helps in recovery of all your encrypted files by providing their previous editions. Moreover, snapshots of all alteration made in the files in the period of last 30 days is provided by cloud-storage service Dropbox.   

Maria Silvia, a writer here is one of the keen and dedicated writers and found it interesting to write on and provide knowledgeable facts, ideas and information on technical topics to its users. She has been writing for last few years. She had also written on topics such as Microsoft Outlook support, Support for Windows 10, Support for Windows 8, Windows 7 Support, Windows XP support, etc. 

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