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

Millions of readers who visit popular news websites have been targeted by a series of malicious ads redirecting them to the Stegano exploit kit.

Tesco Bank not alone in being targeted by Retefe malware

Tesco Bank, which recently saw thousands of its customers lose funds to cybercriminals, has been found on the target list of the so-called Retefe malware.

Linux/Moose: Still breathing

For the past year, ESET and the security firm GoSecure combined their skills in order to research Linux/Moose further. Here’s some of what was uncovered.

Lifting the lid on Sednit: A closer look at the software it uses

ESET’s threat analysts have taken a closer look at the software used by Sednit to spy on its targets and steal confidential information.

Cybercriminals target Brazilian routers with default credentials

Criminals are hunting for routers with default credentials and with vulnerabilities in their firmware, with Brazilians the main target.

New ESET research paper puts Sednit under the microscope

Security researchers at ESET have released their latest research into the notorious and highly experienced Sednit cyberespionage group.

Book of Eli: African targeted attacks

ESET’s latest research analyzes a piece of malware active since 2012, but which has targeted one specific country – Libya.

How encryption molded crypto-ransomware

Recently ESET has seen significantly increasing volumes of a particular type of ransomware known as crypto-ransomware, reports Cassius Puodzius.

TorrentLocker: Crypto-ransomware still active, using same tactics

ESET has carried out analysis of new samples of the crypto-ransomware family TorrentLocker, to compare the 2016 campaigns against its research in late 2014.

OSX/Keydnap spreads via signed Transmission application

During the last hours, OSX/Keydnap was distributed on a trusted website, which turned out to be “something else”. It spread via a recompiled version of the otherwise legitimate open source BitTorrent client application Transmission and distributed on their official website.

Malicious scripts gaining prevalence in Brazil

Malicious scripts are gaining prevalence in Brazil, reports ESET’s Matías Porolli.

Fake apps on Google Play tricked users into paying instead of delivering promised followers

ESET has discovered eight fake applications on Google Play, which were promising to boost the number of followers on users’ social network profiles. Our security software is detecting these as Android/Fasurke.

Nymaim rides again in 2016 and reaches Brazil

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.

New OSX/Keydnap malware is hungry for credentials

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.

Espionage toolkit targeting Central and Eastern Europe uncovered

Over the course of the last year, ESET has detected and analyzed several instances of malware used for targeted espionage – dubbed SBDH toolkit.

Operation Groundbait: Espionage in Ukrainian war zones

After BlackEnergy and Operation Potao Express, ESET researchers have uncovered another cyberespionage operation in Ukraine: Operation Groundbait.

Ransomware is everywhere, but even black hats make mistakes

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

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.

Mumblehard takedown ends army of Linux servers from spamming

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.

Buying Ray-Bans? Don’t fall for this Facebook scam

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.

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