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Malware Archive

I am invisible – Monero (XMR) Miner

I am invisible – Monero (XMR) Miner

Estimated reading time: 4 minutes

From the last one year, Quick Heal Security Labs has been observing a boost in the number of mining malware. Nowadays malware authors are using mining as a replacement for Ransomware to make money. Recently Quick Heal Security Labs...
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September 3, 2018

What are exploits? Everything you need to know

What are exploits? Everything you need to know

Estimated reading time: 3 minutes

Cybersecurity experts are always cautious when they hear the word “exploits”, and for good reason. Exploits are often a preferred channel through which cybercriminals like to hit their targets. What makes it easier for these criminals is that exploits...
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August 25, 2018
16
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A new ransom-miner malware campaign emerging in wild!

A new ransom-miner malware campaign emerging in wild!

Estimated reading time: 5 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,...
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July 11, 2018

MIRUS – a cryptomining virus

MIRUS – a cryptomining virus

Estimated reading time: 4 minutes

Cryptocurrencies are all the vogue now. This has resulted in the emergence of increasing cryptocurrency mining activities. Several platforms make mining services available to users. One such platform that provides JavaScript cryptocurrency miners for websites is CoinHive. Recently, we have...
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March 9, 2018
1
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Malspam campaigns exploiting recent MS Office vulnerability ‘CVE-2017-11882’

Malspam campaigns exploiting recent MS Office vulnerability ‘CVE-2017-11882’

Estimated reading time: 4 minutes

No wonder malspam campaigns are a major medium to spread malware. Previously, we have written about such campaigns making use of MS Office malware such as malicious macro, CVE-2017-0199, CVE-2017-8759 and DDE-based attack. Recently, we have started observing various malspam campaigns...
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February 5, 2018
1

CVE-2018-4878 – Adobe Flash Player use after free (Zero Day) vulnerability Alert!

CVE-2018-4878 – Adobe Flash Player use after free (Zero Day) vulnerability Alert!

Estimated reading time: < 1 minute

The recent zero-day vulnerability CVE-2018-4878 in Adobe Flash Player enables attackers to perform a Remote Code Execution on targeted machines. Adobe has released a security advisory APSA18-01 on February 2, 2018 to address this issue. According to Adobe, the...
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February 3, 2018

How to defend your network against DDoS attacks?

How to defend your network against DDoS attacks?

Estimated reading time: 3 minutes

When it comes to enlisting the most unrecognizable forms of cyber-attacks, Distributed Denial of Service (DDoS) features on top of the pecking order. While DDoS attacks started off as simple and volumetric threats for creating disruptions, they have amplified...
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January 31, 2018

In-browser Cryptojacking at full throttle!

In-browser Cryptojacking at full throttle!

Estimated reading time: 3 minutes

Cryptocurrencies like Bitcoin, Monero, Ethereum, Litecoin, and Tezos are in full swing. And they have exponentially increased cryptocurrency mining (or cryptomining) activities. Previously, cryptomining was carried out by powerful and dedicated mining hardware or by utilizing distributed computing because the entire process requires a lot of computation. However, there has been an observable change in the mining trends. Now,...
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January 23, 2018
5
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Beware of fake cryptocurrency mining apps – a report by Quick Heal Security Labs

Beware of fake cryptocurrency mining apps – a report by Quick Heal Security Labs

Estimated reading time: 4 minutes

Cryptocurrency has become a famous and valuable digital asset. One of the ways to earn cryptocurrencies is to mine them. New coins are generated and brought into the market through the process of mining. Mining of cryptocurrency is a...
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January 18, 2018
6
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Seqrite thwarts attempts of a JAVA jRAT phishing campaign targeting an international embassy in India

Seqrite thwarts attempts of a JAVA jRAT phishing campaign targeting an international embassy in India

Estimated reading time: 3 minutes

Earlier we had blogged about how JAVA based jRAT malware were evolved in the recent times. At Quick Heal Security Labs, we are actively observing jRAT campaigns happening in the wild. These JAVA malware spread through phishing campaigns. While analyzing one such phishing campaign, we found...
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January 16, 2018
4
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