Today, ESET researchers reveal a family of Linux malware that stayed under the radar for more than 5 years. We have named this family Linux/Mumblehard. A white paper about this threat is available for download on WeLiveSecuriy.
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Advanced persistent threats (APTs) are a growing concern to the world's companies and networks. This recorded webinar looks at real-world data breaches resulting from APTs and how multi-layered proactive detection can combat this threat.
The Operation Buhtrap campaign targets a wide range of Russian banks, used several different code signing certificates and implements evasive methods to avoid detection.
If you have recently received an unexpected email with a ZIP file attached, it could be a threat attempting to steal your banking login credentials. Its name is Waski and is detected by ESET as Win32/TrojanDownloader.Waski.
One thing Microsoft has been very public about is Windows 10's new strategy of releasing patches to update the operating system at different times for consumer and enterprise versions.
ESET assess the differences between CryptoFortress and TorrentLocker: two very different strains of ransomware.
With so many data breaches happening these days, Americans are getting a lot of breach notification letters and emails, but do they deliver useful, readable content, other than a general warning to remain vigilant?
ESET's researchers recently encountered a piece of malware targeting the filling of the forms belonging to the Consulate of Poland. To understand why it is first necessary to have a brief look at the application process for visas.
Starting a few days ago, we began receiving multiple reports of malware-spreading campaigns in various countries mostly in Latin America and Eastern Europe.
Win32/VirLock is ransomware that locks victims’ screens but also acts as parasitic virus, infecting existing files on their computers. The virus is also polymorphic, which makes it an interesting piece of malware to analyze. This is the first time such combination of malware features has been observed.
As regular readers will know, every year we publish our predictions on cybercrime attacks for the year ahead. Well, our South American research team has spent the last few weeks putting together our predictions for 2015.
Today, we are publishing research on ransomware that emerged in 2014. We have posted blog articles about this threat before, to raise awareness when we realized the criminals were targeting the United Kingdom and Spain.
ESET conference papers from the 2014 Virus Bulletin and AVAR conferences are now available.
Microsoft released a patch last week for a critical vulnerability allowing remote code execution in Internet Explorer. This vulnerability is significant because it exploits an old bug present in Internet Explorer versions 3 through 11.
After taking a look at recent Korplug (PlugX) detections, we identified two larger scale campaigns employing this well-known Remote Access Trojan. This blog gives an overview of the first one
Two Flash vulnerabilities that were fixed by Adobe 2 weeks ago are now being used in exploit kits. This is in addition to a third vulnerability, CVE-2014-0556, that was patched in September and that has also been added to Nuclear EK last week.
Last month, we presented “The Evolution of Webinject” in Seattle at the 24th Virus Bulletin conference. This blog post will go over its key findings and provide links to the various material that has been released in the last few weeks.
In this post we provide additional information on how a specially crafted PowerPoint slideshow file (.PPSX) led to the execution of a BlackEnergy dropper.
ESET research on Operation Windigo received an award at Virus Bulletin 2014. Our research on bootkits was also well received, and is now available publicly.
Apple Mac OS X users concerned about the Bash vulnerability dubbed Shellshock got some relief late yesterday as Apple published fixes for various versions of OS X. But if you use Mavericks you will need to install 10.9.5 before the Bash fix will work.