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Threat Research

WannaCry update: The worst ransomware outbreak in history

Avast update on WannaCry: who was affected, who was targeted, how to remove it, and more.

16 May 2017 min read

WannaCry ransomware that infected Telefonica and NHS hospitals is spreading aggressively, with over 50,000 attacks so far today

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Avast protects you from WannaCry ransomware that infected NHS and Telefonica.

12 May 2017 min read

New ATM fraud makes robbing a bank easier

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Innovative and infamous bank fraud groups create new security challenges for banks.

23 March 2017 min read

IoT weaknesses put webcams at risk for attack [infographic]

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Cybercrooks could easily watch people in private and public spaces via webcams, stream the video directly to the internet, or turn the device into a bot.

27 February 2017 min read

Misconfigured server reveals Cerber ransomware targets users in Europe, North America

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Highly effective Cerber ransomware is spread via phishing emails and demands more than $700 in ransom  

13 January 2017 min read

A new Locky ransomware attack is coming

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Based on analysis of past Locky ransomware attacks, experts in the Avast Threat Labs predict that another attack is imminent.

6 January 2017 min read

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How malware and vulnerabilities get their names

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You may have wondered where Cryptolocker or Heartbleed came from, and why. And does every virus and vulnerability get a name?

25 November 2016 min read

An in-depth look at the technology behind CyberCapture

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Avast CTO and executive vice president Ondrej Vlcek explains CyberCapture's advanced malware detection methods used in every Avast product.

17 November 2016 min read

Investigation of regular high load on unused machines every 7 hours

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Regular high load every 7 hours: Finding out how Linux measures load value.

8 November 2016 min read

Hucky ransomware: A Hungarian Locky wannabe

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Avast Threat Labs has discovered a new Hungarian ransomware sample that is imitating Locky.

25 October 2016 min read

Malware posing as dual instance app steals users’ Twitter credentials

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By installing a piece of newly discovered malware, you can download multiple instances of Twitter’s authentic application on your devices – at a price.

19 October 2016 min read

Inside Petya and Mischa ransomware

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The Avast Threat Intelligence team takes a deeper look into the double ransomware, Petya and Mischa.

20 September 2016 min read