As cybercriminals start to focus on pulling off attacks without leaving a trace, fileless malware will become a more common attack method. However, many of these malware are fileless only while entering a user’s system, as they eventually reveal themselves when they execute their payload. Attacks that use completely fileless malware are a rare occurrence, so we thought it important to discuss a new trojan known as JS_POWMET that uses a completely fileless infection chain making it more difficult for anti-malware engineers to examine.Read More
Trend Micro researchers detected a new SLocker variant that mimics the GUI of the WannaCry crypto-ransomware on the Android platform. Detected as ANDROIDOS_SLOCKER.OPSCB, this new SLocker mobile ransomware variant features new routines that utilize features of the Chinese social network QQ, along with persistent screen-locking capabilities.
SLocker, an Android file-encrypting ransomware first detected and analyzed in July, was found mimicking WannaCry’s GUI. Although Chinese police already arrested the ransomware’s alleged creator, other SLocker operators clearly remained unfazed.Read More