Ransomware in targeted attacks

Ransomware’s popularity has attracted the attention of cybercriminal gangs; they use these malicious programs in targeted attacks on large organizations in order to steal money. In late 2016, we detected an increase in the number of attacks, the main goal of which was to launch an encryptor on an organization’s network nodes and servers. Read Full Article

PetrWrap: the new Petya-based ransomware used in targeted attacks

This year we found a new family of ransomware used in targeted attacks against organizations. After penetrating an organization’s network the threat actors used the PsExec tool to install ransomware on all endpoints and servers in the organization. The next interesting fact about this ransomware is that the threat actors decided to use the well-known Petya ransomware to encrypt user data. Read Full Article

The banker that encrypted files

Many mobile bankers can block a device in order to extort money from its user. But we have discovered a modification of the mobile banking Trojan Trojan-Banker.AndroidOS.Faketoken that went even further – it can encrypt user data. In addition to that, this modification is attacking more than 2,000 financial apps around the world. Read Full Article

‘Locked Out’

In this article we look at the evolution of complication of the encryption schemes used by virus writers and the methods they adopt to put pressure on their victims. At the end of the article there is some advice for users which might help them protect important files. Read Full Article