Sophisticated Ransomware : “Katyusha”

  • 16
 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...

Your copy-paste habit can cost you your money

  • 20
 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...

Massive campaign delivering Monero Miner via compromised websites – an analysis by Quick Heal Security Labs

  • 4
 November 24, 2017

Estimated reading time: 4 minutes

Ransomware outbreaks have been on the rise for quite some time now but suddenly we are observing a change in this trend.  Seems like the rise observed in cryptocurrency valuations especially for Bitcoins is making attackers to go after cryptocurrency mining. Cryptocurrency miner malware have become hot attack vectors for...

Malware Case Study: Kraken RAT Running Behind Bitcoins

 January 21, 2015

Estimated reading time: 3 minutes

Bitcoins have been in the news recently for various reasons and their popularity has also led to several scams, thefts and hacks aimed at them. It is found that exploit kits for targeting Bitcoins are readily available in the underground community and these are proving to be highly lucrative as...

Latest IT Security News, Updates and Alerts for this Week

 February 1, 2014

Estimated reading time: 2 minutes

This week too was quite an eventful one for the IT Security world, as the others in the past. It included a tale about how a $50,000 Twitter account was hacked, arrest of a CEO, Angry Birds, and ChewBacca – the new malware in town. #1. An interesting tale of...

Latest IT Security News and Updates for the Week

 January 11, 2014

Estimated reading time: 2 minutes

Time for another roundup of the latest IT security news, updates, and alerts for this week.   1. Thanks to Gmail, strangers now can email you. Know how from this post. 2. Yahoo Mail finally gets 100% HTTPS encryption. Read more about it here. 3. Snapchat is sorry for the...

CryptoLocker ups its Extortion Game – Launches Pricey Online Decrpytion Service

 November 8, 2013

Estimated reading time: 2 minutes

We have been keeping our readers updated about CryptoLocker – the menacing ransomware that encrypts files and demands money in exchange for a private key for decrypting the data. Once the malware encrypts the files, the victim has 72 hours to pay the ransom ($300 USD), failing which, the private...