Lukas Stefanko

Lukas Stefanko

Malware Researcher


Education: Masters in Informatic Engineering of the Technical University in Kosice

Highlights of your career? Malware Researcher

Position and history at ESET? Joined ESET as a Malware Researcher in 2011

What malware do you hate the most? Adware and ransomware

Favorite activities? Gym, squash, reading

What is your golden rule for cyberspace? Be reasonably paranoid

Favorite computer game/activity? Elasto Mania


74 articles by Lukas Stefanko

ESET research

Aggressive ad-displaying Google Play app tricks users into leaving high ratings

Aggressive ad-displaying Google Play app tricks users into leaving high ratings

ESET research

Aggressive ad-displaying Google Play app tricks users into leaving high ratings

ESET researchers have observed an increased number of apps on Google Play using social engineering techniques to boost their ratings, ranging from legitimate apps, through adware to malware.

Lukas Stefanko08 Mar 20174 min. read


Ransomware

Talking Android ransomware extorts victims

Talking Android ransomware extorts victims

Ransomware

Talking Android ransomware extorts victims

Talking Android ransomware sounds like something out of a science fiction movie. It's not - it's very real, explains ESET's Lukas Stefanko.

Lukas Stefanko01 Mar 20174 min. read


ESET research

Released Android malware source code used to run a banking botnet

Released Android malware source code used to run a banking botnet

ESET research

Released Android malware source code used to run a banking botnet

ESET researchers have discovered a new variant of botnet-forming Android banking malware based on source code made public a couple of months ago.

Lukas Stefanko23 Feb 20177 min. read


ESET research

Sunny with a chance of stolen credentials: Malicious weather app found on Google Play

Sunny with a chance of stolen credentials: Malicious weather app found on Google Play

ESET research

Sunny with a chance of stolen credentials: Malicious weather app found on Google Play

ESET has spotted a new banking malware on Google Play. Disguised as a weather forecast app, it steals banking credentials and locks screens.

Lukas Stefanko22 Feb 20174 min. read


ESET research

New Android trojan mimics user clicks to download dangerous malware

New Android trojan mimics user clicks to download dangerous malware

ESET research

New Android trojan mimics user clicks to download dangerous malware

Android users are exposed to a new malicious app imitating Adobe Flash Player and serving as an entrance gate for potentially any kind of dangerous malware

Lukas Stefanko14 Feb 20174 min. read


ESET Research

Fake Prisma apps found on Google Play

Fake Prisma apps found on Google Play

ESET Research

Fake Prisma apps found on Google Play

ESET researchers have discovered fake Prisma apps of different types, including several dangerous trojan downloaders. The Google Play security team has since removed them.

Lukas Stefanko03 Aug 20164 min. read


Cybercrime

Pokémon GO hype: First lockscreen tries to catch the trend

Pokémon GO hype: First lockscreen tries to catch the trend

Cybercrime

Pokémon GO hype: First lockscreen tries to catch the trend

ESET has discovered the first ever fake lockscreen app on Google Play, named Pokemon GO Ultimate. As its characteristics suggest, it deliberately locks the screen right after the app is started forcing the user to restart the device.

Lukas Stefanko15 Jul 20164 min. read


ESET research

Fake apps on Google Play tricked users into paying instead of delivering promised followers

Fake apps on Google Play tricked users into paying instead of delivering promised followers

ESET research

Fake apps on Google Play tricked users into paying instead of delivering promised followers

ESET has discovered eight fake applications on Google Play, which were promising to boost the number of followers on users’ social network profiles. Our security software is detecting these as Android/Fasurke.

Lukas Stefanko14 Jul 20163 min. read


Scams

Hitting emails and Facebook: Ray-Ban scam is back

Hitting emails and Facebook: Ray-Ban scam is back

Scams

Hitting emails and Facebook: Ray-Ban scam is back

Recently, we informed you about a Ray-Ban scam campaign flooding Facebook via hacked profiles. It seems this hasn’t satisfied the attackers They're back.

Lukas Stefanko09 Jun 20162 min. read