Malware

The trojan downloader Nemucod is back with a new campaign. However, it has changed the payload served to its victims – ransomware is not its go-to malware.

In 1999, David L. Smith launched the Melissa virus. Within a few hours, it had infected thousands of computers. We take a look back at its impact.

During the first half of this year, ESET has observed an increase in the number of detections of Nymaim, a long-known malware family whose prevalence has fallen markedly since 2014.

Fast food giant Wendy's says that it now believes that more than 1000 of its restaurants across the United States have fallen victim to a hacking gang, who used malware to steal customers' credit and debit card information.

An interesting DNS hijack that sets the victim's computer to use specific DNS servers has emerged. Here are the key details of this intriguing threat.

In contrast to the Eurovision contestants, malware writers try to make their creations as stealthy as possible. But thanks to unique behavior and sometimes even unintended showmanship of their malicious code, they end up in the limelight.

The FBI has published a list of tips to reduce the chance of ransomware being the ruin of your company - and is keen that you don't pay the extortionists.

A report from the Institute for Critical Infrastructure Technology warns that ransomware could be hitting more than just your regular computer in future...

This malware masquerades as Flash Player, behaves like a screen locker, and can bypass two-factor authentication. This combination of features turns it into a powerful tool for stealing money from victims’ bank accounts.