Search Results for: ransomware

The GandCrab ransomware, which first appeared in January, has been updated rapidly during its short life, with Version 5.0.2 appearing this month. In this post we will examine the latest version and how the authors have improved the code (and in some cases have made mistakes). McAfee gateway and endpoint products are able to protect ...
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Politics and ransomware. No, it’s not a lost single from the Oasis back catalogue, but in fact a relatively recent tactic by ransomware developers looking to exploit the profiles of major politicians to install ransomware on victims’ computers. Donald Trump, Angela Merkel, and now Barack Obama all serve as lures for the unsuspecting. Despite its ...
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Update: On August 9 we added our analysis of Versions 4.2.1 and 4.3.  The GandCrab ransomware first appeared in January and has been updated rapidly during its short life. It is the leading ransomware threat. The McAfee Advanced Threat Research team has reverse engineered Versions 4.0 through 4.3 of the malware. The first versions (1.0 ...
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McAfee Labs has recently observed a new variant of ransomware that relies on the open-source program GNU Privacy Guard (GnuPG) to encrypt data. GnuPG is a hybrid-encryption software program that uses a combination of conventional symmetric-key cryptography for speed and public-key cryptography to ease the secure key exchange. Although ransomware using GnuPG to encrypt files ...
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The McAfee Advanced Threat Research team recently analyzed a ransomware-as-a-service threat that is available for free and without registration. This malware was first seen in July 2017 with the extension .shifr. It has now appeared in recent detections with the extension .cypher. Ransomware-as-a-Service Ransomware-as-a-service is a cybercrime economic model that allows malware developers to earn money ...
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This post was researched and written by Christiaan Beek, Tim Hux, David Marcus, Charles McFarland, Douglas McKee, and Raj Samani. McAfee is currently investigating a ransomware campaign known as BadRabbit, which initially infected targets in Russia and the Ukraine. We are also investigating reports of infected systems in Germany, Turkey, and Bulgaria and will provide updates ...
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