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Malware

FakeApp discovered on Google Play Store which increases download count and rating of other applications.

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 December 21, 2018

Estimated reading time: 3 minutes

Quick Heal Security Lab has spotted few FakeApps with more than 50,000+ installations on Google Play Store. These applications appear to be genuine as a PDF reader, PDF Downloader, PDF Scanner etc., but don’t have such functionality. The main purpose of these apps is to increase the download count of...

GandCrab says, “We will become back very soon! ;)”

 December 18, 2018

Estimated reading time: 5 minutes

GandCrab has been in the wild since last week of January 2018. Over the period it kept learning from its mistakes and GandCrab’s agile development grabbed the attention of many security researchers. From moving its servers to Namecoin powered Top Level Domain (.BIT TLD) servers after the first breach, then learning from...

Ghost Has Arrived

 December 14, 2018

Estimated reading time: 5 minutes

On the back of an upswing in Ransomware activity, we decided to carry out an in-depth analysis of Ghost Ransomware. Interesting fact about this malware is that it uses multiple components to encrypt user files. Technical Analysis : Main malware executable (Ghost.exe) is compiled using the DotNet Framework. The infection...

Sophisticated Ransomware : “Katyusha”

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 December 14, 2018

Estimated reading time: 6 minutes

For several months, Quick Heal Security Labs has been observing an increase in ransomware, we have found one more interesting ransomware which encrypts files and adds extension “.katyusha” and demands for an amount of 0.5 btc within three days and threatens to release the data to public download if the ransom is not...

8 reasons not to count on your expired antivirus software to protect you!!

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 November 26, 2018

Estimated reading time: 2 minutes

You are at your computer, engaged in some important work and suddenly a message pops up on the screen, “Your Antivirus software license has expired”. You conveniently choose to ignore the notification, intending to get back to it whenever you get free, but, you never do! What Happens when Antivirus...

Obfuscated Equation Editor Exploit (CVE-2017-11882) spreading Hawkeye Keylogger

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 November 1, 2018

Estimated reading time: 6 minutes

Cyber-attacks through phishing emails are increasing and generally, attackers use DOC embedded macros to infiltrate victim’s machine. Recently Quick Heal Security Labs came across a Phishing e-mail sample which uses Microsoft’s equation editor exploit to spread Hawkeye keylogger. Cybercriminals use different techniques to steal confidential data. Now they are offering...

Deep analysis of AZORult – The information exfiltrator

 October 16, 2018

Estimated reading time: 5 minutes

While the current focus in the cyberspace is on Ransomware and Cryptominers there are other prevalent threat actors silently making their way into victim’s machine in order to comprise it for malicious purpose. During the daily threat hunting task,Quick Heal Security labs came across a blocked URL by Quick Heal’s...

Emerging trend of spreading malware through IQY files

 October 3, 2018

Estimated reading time: 4 minutes

Nowadays attackers are searching for new techniques to spread malware, recently we came across a new emerging way to deliver malware through IQY file. Till now we had seen spread of malware through various file types and chains such as Word document, Script, JAVA files. Fig 1: Attack chain IQY file...

“Troldesh’s” One More Variant in the Encryption Offender

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 September 3, 2018

Estimated reading time: 4 minutes

Over the past few days, we have been observing criminals/hackers using a new carrier to deliver the ransomware malware. Recently, Quick Heal Security Labs observed a new variant of Troldesh ransomware which encrypts the data and adds the extension as “.no_more_ransom”. This ransomware comes under Crypto-Ransomware variant, the origin of this...

I am invisible – Monero (XMR) Miner

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 September 3, 2018

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 came across a malware which mines Monero(XMR). This miner has many...