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Cryptocurrency miner hits IoT devices, mostly affects Brazil and Russia!

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 August 9, 2018

Estimated reading time: 3 minutes

According to a blogpost published on Aug 1, 2018, 200,000 routers in Brazil were compromised to deliver Cryptocurrency mining scripts to mine Monero (XMR) cryptocurrency. Hackers compromised the vulnerable MikroTik routers by injecting CoinHive scripts into the routers web pages in order to carry out the mass Cryptocurrency miner attack....

Beware of the Armage Ransomware – the File Destroyer!

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 August 8, 2018

Estimated reading time: 3 minutes

In July last week, Quick Heal Security Labs detected a new ransomware called Armage. It appends ‘.Armage’ extension to files it encrypts. Armage ransomware uses the AES-256 encryption algorithm to encode files making them inoperable. It spreads via spam emails and corrupted text files. Technical analysis Once executed on the...

Your copy-paste habit can cost you your money

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 July 19, 2018

Estimated reading time: 4 minutes

How often do you store your important data in files? It’s very common, right? This data may be URLs, topics, personal data like contacts, email-ids, usernames of different portals and sometimes passwords too (though always recommended to not to do so). We very casually copy this data and paste it...

A new ransom-miner malware campaign emerging in wild!

 July 10, 2018

Estimated reading time: 6 minutes

Since the past few weeks, Quick Heal Security Labs has been observing a series of interesting malware blocked at our customer end. The further analysis of the malware ‘t.exe’ revealed that the malware seems to be Trojan dropper. Interestingly, this multipurpose malware is downloading a ransomware component, a crypto-mining malware...

CVE-2018-5002 – Adobe Flash Player Stack Buffer Overflow Vulnerability Alert!

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 June 8, 2018

Estimated reading time: 1 minute

The recent zero-day vulnerability CVE-2018-5002 in Adobe Flash Player enables attackers to perform a Remote Code Execution on targeted machines. Adobe has released a security advisory APSB18-19 on June 7, 2018 to address this issue. According to Adobe, the in-wild exploit is being used in limited, targeted attacks and it...

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...