In order to establish persistence on the system, the installer tampers with the operating system’s registry. It also creates an administrative account that allows remote access.
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Over the past few years the Sednit group has used various techniques to deploy their various components on targets computers. The attack usually starts with an email containing either a malicious link or malicious attachment.
We still don’t have a solid scientific theory of memes; nonetheless, they already allow us to understand why certain things happen the way they do. Memes are “alive”; they reproduce, mutate, and evolve according to Darwinian laws.
Besides delivering the promised functionalities, the malicious apps can display fake notifications and login forms seemingly coming from legitimate banking applications, harvest credentials entered into the fake forms, as well as intercept text messages to bypass SMS-based 2-factor authentication.
As we reported in September, in campaigns we detected in two different countries, man-in-the-middle attacks had been used to spread FinFisher, with the “man” in both cases most likely operating at the ISP level.
Wauchos is an extensible bot that allows its owner to create and use custom plugins. However, there are some plugins that are widely available and that are used by many different botnets.
For a user, it can be difficult to figure out whether an app is malicious. First off it is always good only to install applications from the Google Play store, since most malware is still mainly spread through alternative stores.
In all the cases we investigated, the final payload was a mobile banking trojan. Once installed, it behaves like a typical malicious app of this kind: it may present the user with fake login forms to steal credentials or credit card details.
In 2014, ESET researchers wrote a blog post about an OpenSSH backdoor and credential stealer called Linux/Ebury In 2017, the team found a new Ebury sample.
A new ransomware outbreak today has hit some major infrastructure in Ukraine including Kiev metro. Here are some details about this new variant of Petya.
With all the hype around cryptocurrencies, cybercriminals are trying to grab whatever new opportunity they can – be it hijacking users’ computing power to mine cryptocurrencies via browsers or by compromising unpatched machines, or various scam schemes utilizing phishing websites and fake apps.
Our researchers noticed that the makers of the Elmedia Player software have been distributing a version of their app trojanized with the OSX/Proton malware.
DoubleLocker can change the device’s PIN, preventing victims from accessing their devices, and also encrypts the data it finds in them - a combination that has not been seen previously in the Android ecosystem.
While far behind Bitcoin in market capitalization, Monero has several features that make it a very attractive cryptocurrency to be mined by malware.
The Android banking trojan that we first informed about in the beginning of this year has found its way to Google Play again and contains new tricks designed to get access to the private banking information of the user.
FinFisher has extensive spying capabilities, such as live surveillance through webcams and microphones, keylogging, and exfiltration of files. What sets FinFisher apart from other surveillance tools, however, are the controversies around its deployments.
Cryptocurrency mining has been used by cybercriminals to make a quick and easy profit while corrupting the victim’s machine in the process.
Services like Netflix use content delivery networks (CDNs) to maximize bandwidth usage. However, the CDNs might be becoming a new way of spreading malware.
Security researchers at ESET have released new research today into the activities of the notorious Turla cyberespionage group.
Since the beginning of 2017, ESET has been conducting an investigation into a complex threat mainly targeting Russia and Ukraine. Stantinko has stood out.