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Ransomware

An analysis of the Dharma ransomware outbreak by Quick Heal Security Labs

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 May 2, 2018

Estimated reading time: 7 minutes

On April 25, 2018, Quick Heal Security Labs issued an advisory on a new ransomware outbreak. We are observing a sudden spike of Dharma Ransomware. Even though Dharma ransomware is old, we observed its new variant which is encrypting files and appending the “.arrow” extension to it. Previously the encrypted...

How important are security patches and updates

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 April 23, 2018

Estimated reading time: 3 minutes

Security vulnerabilities are increasing and just not so long before, we had to deal with so many of them. Remember WannaCry? In this post, we will discuss some important case in points with respect to security vulnerabilities and how important are security patches and updates. The WannaCry scare The biggest...

A free guide to 7 computer viruses you should know about

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 March 13, 2018
7_computer_viruses_you_should_know_about

Estimated reading time: 4 minutes

Computer viruses are nasty little programs that are designed to lay waste to your computer. Some destroy files stored on your PC, while some trigger different software to malfunction. More nefarious viruses steal your confidential information and some even go to an extent to rig a system’s power load and...

Beware! A new .Net Ransomware is encrypting files with .Lime

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 March 6, 2018

Estimated reading time: 4 minutes

Cases of the “Lime ransomware” have been recently reported to Quick Heal Security Labs. Our research team has analyzed these cases deeply and found some useful information. This post shares this information to help users stay safe from ransomware attacks. ‘Lime’ is a newly discovered .net ransomware; it is also...

INFOGRAPHIC: Quick Heal Annual Threat Report 2018 | Key Findings

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 February 23, 2018

Estimated reading time: 1 minute

The Quick Heal Annual Threat Report 2018 is up and it puts together information that concerns individuals and business owners alike. It gives an insight into how the cybersecurity landscape shaped up in 2017 and how it is going to be in 2018. This infographic presents a quick overview of...

The Runner: a key component of the SamSam ransomware campaign – An analysis by Quick Heal Security Labs

 February 8, 2018

Estimated reading time: 4 minutes

In Jan 2018, Greenfield, Indiana-based Hancock Health (healthcare network) was attacked by SamSam ransomware. It encrypted the files containing patients’ data which disrupted their critical services. Even though SamSam is not a new ransomware, it has evolved over a period of time. We had observed its first variant in Feb...

On Data Privacy Day, here are 10 simple tips to keep your data safe

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 January 25, 2018

Estimated reading time: 4 minutes

Recognized annually on January 28th, Data Privacy Day is defined as a centered approach towards respecting privacy, safeguarding data, and enabling trust. It is a global effort to raise and promote awareness around protecting one’s data and privacy. With this thought in mind, we have put together these 10 tips...

5 cybersecurity tips for safe online shopping this holiday season

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 December 18, 2017

Estimated reading time: 3 minutes

By now, most of you must have started getting emails and messages about great deals and discounts from your online shopping websites. And while most of us get preoccupied with our shopping spree, cyber criminals will try to make the most of this opportunity. How? Well, that’s easy. They might...

Beware! 12.5 million emails hiding a ransomware have been let loose by Necurs botnet

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 November 28, 2017
Necurs Botnet

Estimated reading time: 2 minutes

If you weren’t careful with your incoming emails, then it’s time you should. Attackers have released 12.5 million emails hiding a ransomware called the Scarab malware. And Necurs botnet, the world’s largest email spam botnet, is being used in this attack. First, what is a botnet? A group of computers...