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Blockchain & Fraud Prevention: Strategies to overcome the cryptocurrency scam

  • Vijay Yadav / 4 years
  • 0
  • 6 min read

What is Cryptocurrency?  Cryptocurrency is a type of digital currency that generally only exists electronically. There is no physical coin or bill unless you use a service to cash in cryptocurrency for a physical token. You usually exchange cryptocurrency with someone online, with your phone or computer, without using an intermediary like a bank. Bitcoin […]

Sophisticated Ransomware : “Katyusha”

  • Ghanshyam More / 7 years
  • 0
  • 7 min read

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 paid. Malware is bundled with […]

Your copy-paste habit can cost you your money

  • Anant Pulgam / 8 years
  • 0
  • 5 min read

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 in respective applications. In the […]

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

  • Pradeep Kulkarni / 8 years
  • 0
  • 4 min read

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 cybercriminals. By looking at the […]

Malware Case Study: Kraken RAT Running Behind Bitcoins

  • Adithya Omanakuttan / 11 years
  • 4
  • 3 min read

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 well. The Quick Heal Threat […]

CryptoLocker ups its Extortion Game – Launches Pricey Online Decrpytion Service

  • Sakshat Karkare / 12 years
  • 2
  • 2 min read

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 key will be destroyed and […]