Locky is a ransomware variant that was first reported in 2016.

The most common version of the attack arrives as an attachment to an email. When opened, the attachment is mostly unreadable, except for a direction to the user to enable macros in order to make the content readable. If this is done however, an embedded macro in the “message” runs and saves the Locky virus to the user’s hard drive. After that, typically any Microsoft Office files, videos, and images on the hard drive are encrypted through the office 365 phishing email.

The user is then informed that in order to decrypt the files, they must first download the Tor browser, then navigate to a dark-web page in to receive further instructions.

Once Locky has gotten a foothold in your organization, the effects can be devastating. The virus not only encrypts files on the local computer; if there are shared drives on servers or other computers in the domain, it can encrypt files on them as well. Depending on the number of network shares involved and the accessibility of them to infected users, Locky can cause mayhem across your entire organization.

The only defense against Locky and similar forms of ransomware is a two-pronged approach that combines effective email phishing protection and threat protection technology with user education and training. DuoCircle’s Advanced Threat Defense offers unparalleled threat protection using a multi-layered approach to identify and stop threats before they can reach users and wreak havoc on your network.

With DuoCircle, Locky Has Met its Match!

Email-borne attacks include ransomware, phishing, malware, and more, and they are becoming more common and more sophisticated every day. DuoCircle’s Advanced Threat Defense protection from phishing pulls together all the tools your organization needs in a single integrated solution to prevent email phishing to protect and defend your employees from these threats. Using an intelligent classification engine, we detect and these threats in real-time and defend against them with the highest possible level of accuracy.


With Advanced Threat Protection anti phishing program from DuoCircle, ransomware attacks like Locky are detected and defeated. Every incoming and archived email is scanned, and suspicious attachments are identified using advanced threat detection. Advanced Threat Defense offers end to end protection against threats, including the ever-increasing threat of ransomware.

DuoCircle’s Advanced Threat Defense is the best anti phishing software with a multi-layered approach to email threat protection that pulls all the features you need together in a single integrated solution to fight malware, ransomware, and phishing attacks.

DuoCircle Protects You From Multiple Inbound Threats

Advanced Threat Defense from DuoCircle provides:

  • Anti phishing protection against phishing and from malware and zero-day attacks, with 100% availability.
  • Spam protection that eliminates 99% of all incoming spam with a false positive rate of less than one in ten thousand.
  • Unlimited inbound message volume
  • Protection against domain name spoofing
  • Blocking of malicious attachments with phishing filter
  • Real-time activity logs, with access to the email queue and click reporting
  • Smart Adaptive Quarantine, which puts the burden of sorting spam messages on the sender rather than the recipient.
  • A thirty day backup queue – 30 days of MX backup service included
  • Chat, email and phone support is available 24/7

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