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How Do I Prevent Wanna-Cry Ransomware Attack in 2018?

protection against ransomware

WannaCry is a type of ransomware that is evolving as an extremely heinous malware. Once, your system becomes a victim of this attack, the ransomware locks up your system, encrypts the files and then demands a ransom (in Bitcoin) from the owner to get back the access. Most ransomware gets into your system if you download Word documents, PDFs and other files sent via unsolicited emails unknowingly. These also spread through computers that are already affected or are victims of malware that offer backdoor for other malware or viruses. The best way to get complete protection against ransomware is to download and use a strong antivirus or anti-ransomware software with powerful ransomware removal tools.

How to Protect against Ransomware?

To protect yourself against WannaCry ransomware, you must ensure that your system is protected with the best ransomware protection software with powerful ransomware removal tools.

You can prevent a WannaCry attack on your computer by following the ransomware prevention methods given below:

  • Microsoft Security Bulletin MS17-010 recommends its entire users to administer patches to their system. So, if you haven’t done so, apply it now.
  • Get risk-free protection against ransomware with an updated antivirus or anti-ransomware software.
  • Make sure you backup all your essential files or database on external devices and regularly update it from time to time.
  • Users using older versions of Windows OS such as Windows XP, Vista, Server 2008 should update their operating systems to the latest version.

Programs that ensure complete protection against ransomware:

  • Cloud 7 Antivirus and anti-ransomware software for computers, laptops, and Android phones (Get 30 days free trial version today!)
  • Malwarebytes Anti-Ransomware (formally Crypto Monitor)
  • Microsoft Enhanced Mitigation Experience Toolkit
  • Sophos: Hitman.Pro
  • TrendMicro Ransomware Screen Unlocker

How to detect ransomware on my computer? What to do in that case?

  • If you find that the extensions of your files have changed to .wnry, then you can be sure that your system has become a victim of ransomware attack.
  • Do not pay the ransom. Paying does not guarantee that your files will be released. It’s better to report this fraudulent attempt to CERT and law enforcement agencies immediately.
  • Once a ransomware is detected on your system, disconnect all network connections and all the external storage devices immediately.
  • Quickly shut down your computer system and inform the IT or security department of your organization.
  • Make sure you maintain backups of all files and your database.

Other preventive measures to get protection against ransomware:

Set up Email validation system:

Deploy an email validation system that detects spam and phishing emails to ensure protection against ransomware attacks. Some of the best-known systems include Domain Message Authentication Reporting and Conformance, Sender Policy Framework, and DomainKeys Identified Mail.

Block or disable spam in your mailbox:

You can also disable or block the incoming spam in your mailbox.

Be cautious of suspicious emails or URLs:

Do not open attachments in suspicious emails, even if the attachment seems to be sent from known people in your organization. Furthermore, never click on a URL of such an email even if it appears to be legitimate. In cases of authentic URLs, you may close the email and visit your organization’s website directly through your internet browser.

Set up web and email filters:

Nonetheless, you can also set up web and email filters on your network.  Configuring these devices, will scan and identify suspicious domains, sources, and web addresses. Block these before you receive or download malicious messages. Monitor and run scans for all suspicious emails, downloads, attachments using powerful antivirus software on the host as well as at the mail gateway.

Disable macros:

Microsoft allows its users to disable macros in MS Office products. Make use of specific settings which can block execution of macros originating from external sources.

Some more useful tips to follow:-

  • Make sure you configure access controls such as the file, directory, and network share permissions.
  • Ensure that you block attachments containing extensions as exe|com|pif|tmp|dll|url|vbe|scr|cer|vb|pst|cmd|bat|dat|hlp|hta|js|wsf|reg
  • Maintain and regularly update applications such as Microsoft Office, internet browsers and browser plugins with the updates patches.
  • In order to ensure better protection against ransomware, you can enable firewall protection on individual hosts.

If you haven’t secured your system yet, consider this as an invitation to download the best anti-ransomware software now.

Additional information

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