Stealers, stealers and more stealers

Introduction Stealers are a prominent threat in the malware landscape. Over the past year we published our research into several stealers see here, here and here, and for now, the trend seems to persist. In the past months, we wrote several private reports on stealers as we discovered Acrid a new...

Hijack Loader Malware Employs Process Hollowing, UAC Bypass in Latest Version

A newer version of a malware loader called Hijack Loader has been observed incorporating an updated set of anti-analysis techniques to fly under the radar. "These enhancements aim to increase the malware's stealthiness, thereby remaining undetected for longer periods of time," Zscaler ThreatLabz...

RATs and stealers rush through “Heaven’s Gate” with new loader

By Holger Unterbrink and Edmund Brumaghin. Executive summary Malware is constantly finding new ways to avoid detection. This doesn't mean that some will never be detected, but it does allow adversaries to increase the period of time between initial release and detection. Flying under the radar fo...

A week in security (January 15 – January 21)

Last week on Labs, we gave you some background information about cookies, specifically which ones to worry about and why. We also warned you about scams surrounding the Mega Millions winner, who promised to donate his money to good causes. We analyzed a cryptocurrency miner using a very old...

A coin miner with a “Heaven’s Gate”

You might call the last two years the years of ransomware. Ransomware was, without a doubt, the most popular type of malware. But at the end of last year, we started observing that ransomware was losing its popularity to coin miners. It is very much possible that this trend will grow as 2018...

Locky, Cerber Ransomware Skilled at Avoiding Detection

The latest versions of Cerber and Locky ransomware have been, since mid-January, finding great success in bypassing existing security detection systems through the use of a common infrastructure that allows the malicious code to bury itself inside NSIS installers, and use several layers of...