Buhtrap backdoor and ransomware distributed via major advertising platform

Criminal activities against accountants on the rise – Buhtrap and RTM still active. What better way to target accountants than to target them as they search the web, looking for documents pertinent to their job? This is just what has been happening for the past few months, where a group using two well-known backdoors — Buhtrap and RTM — … More Buhtrap backdoor and ransomware distributed via major advertising platform

Pirate websites expose users to more malware, study finds

The study found that the more time users spent on pirate sites the higher the likelihood that some type of malware would compromise their computers. It is hardly a surprise to learn that navigating to pirate websites entails a higher risk of running into malware. But a researcher from Carnegie Mellon University in Pennsylvania, US, … More Pirate websites expose users to more malware, study finds

Cryptocurrency web mining: In union there is profit

In the last months, we stumbled upon some JavaScript files apparently used to mine cryptocurrencies directly within the browser. For a long time now, cybercriminals have taken advantage of cryptocurrency mining in order to make a profit. However, they generally use malware or potentially unwanted applications they install on the victim’s machine in order to … More Cryptocurrency web mining: In union there is profit

Readers of popular websites targeted by stealthy Stegano exploit kit hiding in pixels of malicious ads

Millions of readers who visited popular news websites have been targeted by a series of malicious ads redirecting to an exploit kit exploiting several Flash vulnerabilities. Since at least the beginning of October, users might have encountered ads promoting applications calling themselves “Browser Defence” and “Broxu” using banners similar to the ones below: These advertisement … More Readers of popular websites targeted by stealthy Stegano exploit kit hiding in pixels of malicious ads