ESET researchers discovered an extremely stealthy – yet surprisingly simple – technique that allowed Android malware to stay under the radar. Analyzing the DEFENSOR ID app that was – at the time – available on the official Android app store, ESET researchers learned the app misused Accessibility Services but required no other suspicious permission nor … More ESET researchers detect a new trick used by malware to slip into the official Android app store
WannaCryptor is still alive and kicking, so much so that it sits atop the list of the most commonly detected ransomware families. On May 12th, 2017, WannaCryptor (also known as WannaCry and WCrypt) wrought havoc on computer systems across the globe to a degree never seen previously. The cryptoworm propagated through an exploit called EternalBlue that targeted a … More WannaCryptor remains a global threat three years on
Scammers rehash old campaigns, create credit card-stealing websites and repurpose information channels to milk the COVID-19 crisis for all it’s worth. Another week of the COVID-19 pandemic is almost behind us, with countries charting out paths to recovery and in many cases moving to shake off some of the lockdown restrictions. Meanwhile, the crisis has … More It’s no time to let your guard down as coronavirus fraud remains a threat
A view of the Q1 2020 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts. The first quarter of 2020 was, without a doubt, defined by the outbreak of COVID-19 – now a pandemic that has put much of the world under lockdown, disrupting people’s lives … More ESET Threat Report
Another in our occasional series demystifying Latin American banking trojans In this installment of our series, we introduce Grandoreiro, a Latin American banking trojan targeting Brazil, Mexico, Spain and Peru. As such, it shows unusual effort by its authors to evade detection and emulation, and progress towards a modular architecture. We have seen Grandoreiro being … More Grandoreiro: How engorged can an EXE get?
At ESET Ireland we’ve come across a novel twist on the usual “send money or bad things will happen” extortion spam email, hitting Irish mailboxes. The extortion letter starts in the usual manner, showing a victim’s password, likely gathered from one of the major security breaches over the years, which the victim could recognise as … More Old extortion spam email in Irish mailboxes, with a new Coronavirus twist
From malware-laden emails to fake donations, these are some of the most common cons you should watch out for amid the public health crisis. We are currently experiencing an unprecedented global event. The outbreak of Coronavirus Disease 2019 (COVID-19) – now officially a pandemic – has caused apprehension globally, ultimately resulting in lockdowns, travel bans, panic buying, … More Beware scams exploiting coronavirus fears