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Cryptocurrency mining rampage throttles Linux machines – an analysis by Quick Heal Security Labs

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 May 22, 2018

Estimated reading time: 4 minutes

Quick Heal Security Labs recently came across a Linux-based Monero (XMR) miner. Monero (XMR) is one of the top 15 cryptocurrencies. It can be mined easily on any machine using its CPU computation power. This is one of the reasons why it is preferred to Bitcoin or Ethereum which are...

CVE-2018-4990 – Adobe Reader Double Free (Zero Day) vulnerability alert!

 May 16, 2018

Estimated reading time: 1 minute

The recent zero-day vulnerability CVE-2018-4990 in Adobe Reader enables attackers to perform a Remote Code Execution on targeted machines. Adobe has released a security advisory APSB18-09 on May 14, 2018 to address this issue. According to Adobe, the in-wild attack is targeted and it impacts limited Windows users. Vulnerable versions...

Breed of MBR Infecting Ransomware – an analysis by Quick Heal Security Labs

 May 16, 2018

Estimated reading time: 6 minutes

Ransomware is becoming one of the most perilous cyberattack methods and also the most habitual techniques for cybercriminals to earn money. It appears to have new weapons in its arsenal over time which is invariably aimed to boost its strength and enhance its business. As encrypting the files and restricting...

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...

8 tips to avoid a spyware attack

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 April 12, 2018

Estimated reading time: 2 minutes

Spyware refers to software that spy on your Internet browsing activities, record keystrokes, and collect almost any type of data including your personal information such as credit/debit card or banking details, login IDs and passwords. In this post, we share 8 tips to avoid a spyware attack and keep your...

9 security tips for using mobile payment apps

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 March 27, 2018
9_safety_tips_for_making_secure_mobile_transactions

Estimated reading time: 2 minutes

Do you find it convenient to shop and bank online using mobile payment apps? Most would have ‘yes’ as an answer. But, are we letting ‘convenience’ overshadow ‘security’? An attacker can easily get hold of your personal and banking information if the app or the mobile site you are using...

Beware of the new WhatsApp message scam that promises Rs. 1000/- Paytm cash!

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 March 20, 2018

Estimated reading time: 4 minutes

WhatsApp currently has over 200 million monthly active users in India. No wonder it has become a popular tool for scammers. Just last night, I received the following message from one of my friends on WhatsApp. Fig 1 The message is in Hindi and loosely translates to this… Open this...

An in-depth analysis of a new, emerging “.url” malware campaign – by Quick Heal Security Labs

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 March 19, 2018

Estimated reading time: 5 minutes

Last week, we had blogged about the emergence of a new attack vector ‘.url’ which is used to spread malware. In this blog post, we will deep-dive into the attack chain of this ‘.url’ vector and elaborate on the Quant Loader malware which is actively making use of it. Let’s...