We have recently observed the Virobot ransomware (detected by Trend Micro as RANSOM_VIBOROT.THIAHAH) which has botnet capabilities, affecting users in the United States.Read More
While ransomware has noticeably plateaued in today’s threat landscape, it’s still a cybercriminal staple. In fact, it saw a slight increase in activity in the first half of 2018, keeping pace by being fine-tuned to evade security solutions, or in the case of PyLocky (detected by Trend Micro as RANSOM_PYLOCKY.A), imitate established ransomware families and ride on their notoriety.
In late July and throughout August, we observed waves of spam email delivering the PyLocky ransomware. Although it tries to pass off as Locky in its ransom note, PyLocky is unrelated to Locky. PyLocky is written in Python, a popular scripting language; and packaged with PyInstaller, a tool used to package Python-based programs as standalone executables.Read More
We have been observing a malvertising campaign via Rig exploit kit delivering a cryptocurrency-mining malware and the GandCrab ransomware since July 25. On August 1, we found Rig’s traffic stream dropping a then-unknown ransomware. Delving into this seemingly new ransomware, we checked its ransom payment page in the Tor network and saw it was called Princess Evolution (detected by Trend Micro as RANSOM_PRINCESSLOCKER.B), and was actually a new version of the Princess Locker ransomware that emerged in 2016. Based on its recent advertisement in underground forums, it appears that its operators are peddling Princess Evolution as a ransomware as a service (RaaS) and are looking for affiliates.Read More
We recently discovered a new ransomware (Detected as RANSOM_BLACKHEART.THDBCAH), which drops and executes the legitimate tool known as AnyDesk alongside its malicious payload.Read More
Currently, cryptocurrency miners are heavily used by malware—we’ve seen miners injected onto ad platforms, on popular mobile devices, and servers. Malware creators change payloads to maximize their chances to make a profit, and in this volatile cryptocurrency landscape, they seem committed to integrating miners into their arsenal. We are now also seeing binary infectors using miners to suit their needs.Read More