Malware

Public source code repository at Bitbucket.org was as abused to host CryptBot, Buer loader with NuclearBot and Cryptominer.

This new remote access malware creates a second desktop that is invisible to the system's user. The threat actor can surf the Internet using the infected machine.

This year's AllStars took place in Amsterdam in September, alongside the two-day Global AppSec conference. The event offers a full day of the best hand-picked lectures from top speakers and researchers in the field of information security. G DATA virus analyst Karsten Hahn was there and presented…

The Emotet malware is still considered one of the most dangerous threats to corporate IT worldwide. Analysts at G DATA Advanced Analytics have tracked down how an Emotet infection starts gradually infiltrating corporate networks and then takes them out of operation bit by bit.

With its DeepRay AI technology, G DATA is leading the way against rapidly changing malware. Carl-Benedikt Bender, leader of the development team behind DeepRay, explains how the technology works and what specific challenges arose during development.

Recently, the Ordinypt malware has seen a resurgence in the wild, disguised as fake job applications sent via email to human resource departments in German companies. The malware uses social engineering to corrupt the user’s files and trick them into paying cryptocurrency to restore the corrupted…

The annual Virus Bulletin conference (called „VB“ for short) is one oft he most important events of the year when it comes to threat intelligence for researchers and analysts as well as product managers and CISOs from all over the world. As usual, G DATA sent several members of their team. When they…

Everyone who deals with malware will know this: Malware names are a convoluted mess. AV scanners will show different detection names for the same file. This confusion is also reflected in media coverage. Is there a way out of this mess?

Certificates are an established method for verifying the legitimacy of an application. If malicious actors succeed in undermining a certificate authority (CA) by either stealing a valid certificate or compromising the CA, the entire model unravels. We have taken a look at a case where this has…

Malware actors very rarely stick to the same script for extended periods of time. They constantly modify and update their attack methods. Recently we have observed malware that uses server-side polymorphism to hide its payload, which consists of a backdoor fully written in PowerShell.