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Threat Research

Adware hiding behind beauty filters on Google Play Store

Our mobile threat intelligence platform flagged three beauty apps that have ugly consequences. Over 2 million devices have downloaded these apps.

14 March 2019 min read

Fake mobile CCleaner app sneaked into the China Baidu app store

perex__ Fake CCleaner app loaded with adware

Fake CCleaner app loaded with adware

4 March 2019 min read

Spoofing in the reeds with Rietspoof

perex__ We’re tracking a new cyberthreat that combines file formats to create a more versatile malware.

We’re tracking a new cyberthreat that combines file formats to create a more versatile malware.

16 February 2019 min read

Increasing mobile threat intelligence with apklab.io

perex__ Avast stays several paces ahead of cybercriminals with apklab.io.

Avast stays several paces ahead of cybercriminals with apklab.io.

15 February 2019 min read

Major vulnerability found in ES File Explorer

perex__ {value=The program developer has issued a fix, and users should update immediately., type=textarea}

The program developer has issued a fix, and users should update immediately.

30 January 2019 min read

2019 predictions: The internet of (vulnerable) things

perex__ {value=Avast experts walk you through next year’s most menacing IoT threats in part 1 of our 2019 predictions. }

Avast experts walk you through next year’s most menacing IoT threats in part 1 of our 2019 predictions.

7 January 2019 min read

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Cartoon chaos on Facebook

perex__ Newly-discovered exploit designed to spread spam at scale targets Facebook users.

Newly-discovered exploit designed to spread spam at scale targets Facebook users.

20 December 2018 min read

Let’s play Hide ’N Seek with a botnet.

perex__ Hide ‘N Seek botnet continues infecting devices with default credentials, building a P2P network and more.

Hide ‘N Seek botnet continues infecting devices with default credentials, building a P2P network and more.

4 December 2018 min read

Advances in visual phishing detection

perex__ Protect yourself from phishing scams with these best practices and our improved phishing detection AI.

Protect yourself from phishing scams with these best practices and our improved phishing detection AI.

27 November 2018 min read

Seven new Mirai variants and the aspiring cybercriminal behind them

perex__ Two years after Mirai, botnets have become the playthings of script kids

Two years after Mirai, botnets have become the playthings of script kids

25 October 2018 min read

Ad network scams

perex__ Avast Threat Labs finds Android device firmware that reroutes ad network revenue to unknown accounts.

Avast Threat Labs finds Android device firmware that reroutes ad network revenue to unknown accounts.

24 October 2018 min read

MikroTik mayhem: Cryptomining campaign abusing routers

perex__ Computing power of computers, smartphones and smart TVs connected to vulnerable routers abused to mine cryptocurrency

Computing power of computers, smartphones and smart TVs connected to vulnerable routers abused to mine cryptocurrency

18 October 2018 min read