Who IsErIk: A Resurface of an Advanced Persistent Adware?


September 23, 2019

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Who IsErIk: A Resurface of an Advanced Persistent Adware?

As the malware industry expands, new tricks added to the cyber-criminal arsenal show up on a daily basis. Our Advanced Threat Control team has identified a massive expansion of the malicious repertoire meant to resurface old, but not-forgotten threats.

The main focus of this analysis is an adware loader, first discovered in 2016, which has kept such a low profile that researchers  still haven’t agreed to a common denomination, generically identifying it as APA – Advanced Persistent Adware.

Bitdefender researchers have discovered a new large scale malware campaign dubbed IsErik – a family of Advanced Persistent Adware that features advanced evasion mechanisms, as well as the ability to execute remote code received from the command and control server.

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Bitdefender has compiled an extended IoC list and made it available for download.




Information security professional. Living my second childhood at @Bitdefender as director of threat research.

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