Conti vs. LockBit: A Comparative Analysis of Ransomware Groups

Trend Micro has been monitoring the leak sites of multiple ransomware groups since November 2019 and continuously looking at the number and composition of organizations that have been victimized and whose information has been publicized by these groups. As a Read More …

YourCyanide: A CMD-Based Ransomware With Multiple Layers of Obfuscation

The Trend Micro Threat Hunting team recently analyzed a series of CMD-based ransomware variants with a number capabilities such as stealing user information, bypassing remote desktop connections, and propagating through email and physical drives. In this blog entry, Trend Micro Read More …

Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as Read More …

AvosLocker Ransomware Variant Abuses Driver File to Disable Anti-Virus, Scans for Log4shell

trend Micro researchers found samples of AvosLocker ransomware that makes use of a legitimate driver file to disable anti-virus solutions and detection evasion. While previous AvosLocker infections employ similar routines, this is the first sample they observed from the US Read More …

Data-wiper malware strains surge as Ukraine battles ongoing invasion

Security researchers have detailed six significant strains of data-wiping malware that have emerged in just the first quarter of 2022, a huge surge over previous years. This increase coincides with the invasion of Ukraine, and all of these wipers have Read More …

CISA and FBI Update Advisory on Destructive Malware Targeting Organizations in Ukraine

CISA and the Federal Bureau of Investigation (FBI) have updated joint Cybersecurity Advisory AA22-057A: Destructive Malware Targeting Organizations in Ukraine, originally released February 26, 2022. The advisory has been updated to include additional indicators of compromise for WhisperGate and technical Read More …

Lockbit wins ransomware speed test, encrypts 25,000 files per minute

Ransomware moves more quickly than most organizations can respond. Though knowing they have a specific limited window should help inform where to put their defenses, according to security data shop Splunk. The vendor’s research team Surge today published research on Read More …