ESET Technology

Malware and antivirus software

ESET Technology


ESET leading-edge technology

Continually developing leading-edge protection.

Our global research labs drive the
development of ESET's unique technology

ESET uses multi-layered technologies that go far beyond the capabilities of basic antivirus. The figure below shows various core ESET technologies and an approximation of when and how they can detect and/or block a threat during its lifecycle in the system.



DNA Detections

Detection types range from very specific hashes to ESET DNA Detections, which are complex definitions of malicious behavior and malware characteristics.

While the malicious code can be easily modified or obfuscated by attackers, the behavior of objects cannot be changed so easily and ESET DNA Detections are designed to take advantage of this principle. 

We perform deep analysis of the code and extract “genes” that are responsible for its behavior and construct ESET DNA Detections, which are used to assess potentially suspect code, whether found on the disk or in the running process memory.

DNA Detections can identify specific known malware samples, new variants of a known malware family or even previously unseen or unknown malware which contains genes that indicate malicious behavior.

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Icon: Reputation and Cache

Cloud Malware Protection System

The ESET Cloud Malware Protection System is one of several technologies based on ESET’s LiveGrid® cloud system. Unknown, potentially malicious applications and other possible threats are monitored and submitted to the ESET cloud via the ESET LiveGrid® Feedback System.

The samples collected are subjected to automatic sandboxing and behavioral analysis, which results in the creation of automated detections if malicious characteristics are confirmed. ESET clients learn about these automated detections via the ESET LiveGrid® Reputation System without the need to wait for the next detection engine update.

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Icon: Exploit Blocker

Behavioral Detection and Blocking - HIPS

ESET's Host-based Intrusion Prevention System (HIPS) monitors system activity and uses a pre-defined set of rules to recognize suspicious system behavior. When this type of activity is identified, the HIPS self-defense mechanism stops the offending program or process from carrying out potentially harmful activity.

Users can define a custom set of rules to be used instead of the default rule set; however this requires advanced knowledge of applications and operating systems.

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Icon: Cloud Malware Protection System

Advanced Memory Scanner

Advanced Memory Scanner is a unique ESET technology which effectively addresses an important issue of modern malware – heavy use of obfuscation and/or encryption. To tackle these issues, Advanced Memory Scanner monitors the behavior of a malicious process and scans it once it decloaks in memory.

Whenever a process makes a system call from a new executable page, Advanced Memory Scanner performs a behavioral code analysis using ESET DNA Detections. Thanks to implementation of smart caching, Advanced Memory Scanner doesn't cause any noticeable deterioration in processing speeds.

Moreover, there is a new trend in advanced malware: some malicious code now operates "in-memory only", without needing persistent components in the file system (in other words file-less malware) that can be detected conventionally. Only memory scanning can successfully discover such malicious attacks and ESET is ready for this new trend with its Advanced Memory Scanner.

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Icon: Cloud Malware Protection System

Ransomware Shield

ESET Ransomware Shield is an additional layer protecting users from ransomware. This technology monitors and evaluates all executed applications based on their behavior and reputation. It is designed to detect and block processes that resemble behavior of ransomware.

The technology is activated by default. If ESET Ransomware Shield is triggered by a suspicious action, then the user will be prompted to approve or deny a blocking action. This feature is fine-tuned to offer the highest possible level of ransomware protection together with other ESET technologies including Cloud Malware Protection System, Network Attack Protection and DNA Detections.

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Icon: Cloud Malware Protection System

Botnet Protection

ESET Botnet Protection detects malicious communication used by botnets, and at the same time identifies the offending processes. Any detected malicious communication is blocked and reported to the user.

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Icon: Cloud Malware Protection System

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ESET Security Forum

Join in the discussion with professionals from ESET community – on a broad range of topics.

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Why ESET?

ESET has over 25 years' experience of helping people to Enjoy Safer Technology. Our software is light on hardware, but hard on malware.

Our Technology

ESET’s award-winning NOD32® Antivirus technology is at the cutting edge of digital security. It’s updated daily to keep you secure.

Free Support

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