During the first half of this year, ESET has observed an increase in the number of detections of Nymaim, a long-known malware family whose prevalence has fallen markedly since 2014.
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For the last few weeks, ESET has been investigating OSX/Keydnap, a malware that steals the content of the keychain while maintaining a permanent backdoor.
Over the course of the last year, ESET has detected and analyzed several instances of malware used for targeted espionage – dubbed SBDH toolkit.
After BlackEnergy and Operation Potao Express, ESET researchers have uncovered another cyberespionage operation in Ukraine: Operation Groundbait.
Ransomware is everywhere. At least that might be the impression left by a seemingly endless stream of news reports on recent cyberattacks, reports ESET's Ondrej Kubovič.
My video, My first video, Private video: Don’t fall for this Facebook scam, which is infecting accounts around the world with a very high rate of success.
One year after the release of the technical analysis of the Mumblehard Linux botnet, it is no longer active. ESET, in collaboration with the Cyber Police of Ukraine and CyS Centrum LLC, have taken down the botnet, stopping its spamming activities.
Recently, we’ve observed a new wave of scams on Facebook. Crooks are luring social network users to visit bogus Ray-Ban e-shops and buy heavily discounted sunglasses there. Victims’ payment card details are at risk.
In recent months, there has been a significant increase in the number of networks and users affected by ransomware known as Locky, discusses ESET's Diego Perez.
ESET researchers are actively monitoring malware that targets embedded systems such as routers, gateways and wireless access points. We call this new threat Linux/Remaiten.
A unique data-stealing trojan has been spotted on USB devices in the wild – and it is different from typical data-stealing malware, reports ESET's Tomáš Gardoň.
Weeks after it started attacking and encrypting victims' information, Locky is still targeting many users. Here's what you need to know about this threat.
This malware masquerades as Flash Player, behaves like a screen locker, and can bypass two-factor authentication. This combination of features turns it into a powerful tool for stealing money from victims’ bank accounts.
New ransomware infecting Apple OS X surfaced on March 4th, 2016, with the emergence of KeRanger. The first inkling of trouble came at the weekend.
Lock-screen types and file-encrypting “crypto-ransomware”, both of which have been causing major financial and data losses for many years, have made their way to the Android platform. ESET has prepared a topical white paper on the growth of this insidious Android malware.
ESET has seen a rise in malware developed using scripting languages. We can understand the threats better by isolating them in a dynamic analysis environment.
The cybercriminal group behind BlackEnergy, the malware family that has been around since 2007 and has made a comeback in 2014, was also active in the year 2015.
ESET has recently observed a huge increase in detections of the Nemucod trojan, a threat that usually tries to download another malware from the internet. Those detections ratios were very high in some countries.
Law enforcement agencies from around the globe, aided by Microsoft security researchers, today announced the disruption of one of the most widely distributed malware families – Win32/Dorkbot.
The free version of Ammyy's remote administrator software were being served a bundle that contained an NSIS installer used by the gang behind Operation Buhtrap.