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.
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.
Security of open source code is a hot topic, what with Heartbleed, Shellshock, and Poodle making the news. Open source code is now widely used everywhere, from big enterprises to small businesses. This recorded webinar discusses how to keep open source tools secure,
In this post we provide additional information on how a specially crafted PowerPoint slideshow file (.PPSX) led to the execution of a BlackEnergy dropper.
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.
The “Bash Bug” or “Shellshock” vulnerability means a wide range of devices, servers and computers, including Mac OS X, will need to be patched to prevent abuse by malicious persons. Here’s advice about what to do and links to more in-depth resources.
State organizations and private businesses from various sectors in Ukraine and Poland have been targeted with new versions of BlackEnergy, a malware that’s evolved into a sophisticated threat with a modular architecture.
Autumn: the season of mists and mellow fruitfulness, not to mention a couple of excellent security conferences. Virus Bulletin and AVAR make a very tasty Conference Pair.
Three weeks ago, iSIGHT Partners discovered a new Ransomware encrypting victims’ documents. They dubbed this new threat TorrentLocker. TorrentLocker propagates via spam messages containing a link to a phishing page where the user is asked to download and execute “package tracking information”. In August, only Australians were targeted with fake Australian Post package-tracking page. While
Win32/Aibatook targets Japanese bank customers with an unusual Internet Explorer monitoring technique. We believe the malware has been in development for months – and is now ready for take-off.
ESET researchers recently came across a targeted attack against the Vietnamese government’s Ministry of Natural Resources and Environment (MONRE).