Malware

In this article, we will look back on how ransomware evolved in 2017 and expose what made it more efficient and effective resulting to greater damage in terms of cost and impact on different industries.

International researchers have discovered two severe vulnerabilities in the design of many recent CPUs. The vulnerabilities exist in CPUs from most major vendors, including Intel and AMD, and have been lingering there for over a decade. Microsoft has released an update which is also compatible with…

Cryptocurrencies such as Bitcoin or Ethereum enjoy an increasing amount of popularity. More online shops make decide to accept Bitcoin (subsuming other crypto currencies as well) as a method of payment. Wherever there is a large demand and potential profit, criminals are usually not far away. They…

Redirecting web traffic has been a lucrative business model for quite a while. This is true for both legal applications as well as cases on the fringes of legality. One of our G DATA researchers has taken a look at a current example: an advertisement banner which specifically targets the users of…

The threat level for Android devices has increased again: G DATA security experts have counted 810.965 new malicious files in the third quarter of 2017. This constitutes a 17% increase in comparison to the previous quarter. Meanwhile, with a share of 73% in Q3, Android has become the most popular…

Everyone who has been tricked into purchasing a subscription via their mobile device knows how frustrating, expensive and tedious it can be to get out of it. A newly discovered malware is capable of purchasing dozens of those subscriptions without the user’s knowledge or consent, resulting in a…

Stealth is the best camouflage of most modern malware. Unless, that is, you are talking about ransomware - which wants to achieve the exact opposite of stealth. In any other cases, anything that makes a malware stealthy is considered desirable. At G DATA, a researcher came across a sample which…

Security researchers found out that that one version of the popular system tuning application "CCleaner" was infected with malware. We take a brief look at this case as well as several other cases from the past.

Domain Generating Algorithms are not a new thing by any stretch. They are used by malware authors to make their command&control infrastructure more resilient. Security researchers can also use features of those methods to get an edge over the bad guys. Come on in and catch a glimpse into some…

There is an active group of malware researchers who specialize in analyzing ransomware. G DATA malware researcher Karsten Hahn is a member of this community. Now a malware file has surfaced that is dedicated to him.