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What is nod32krn.exe?

Part of NOD32 Antivirus System by Eset

What is it?

NOD32 Kernel Service is part of ESET NOD32 Antivirus System, an antivirus software program from ESET. ESET's use of assembly language in its products contributes to their low system requirements and disk space utilization. ESET calls its scanning engine ThreatSense, and makes extensive use of generic signatures and heuristics.
Description of nod32krn.exe from Eset
ESET NOD32 Antivirus System offers advanced detection technologies and multi-layered security features, along with Cybersecurity training. ESET NOD32 Antivirus System is built on ESET's unique heuristic technology that identifies viruses that have never been seen before. This enables them to protect your computer proactively, in real-time, against new viruses and cyber threats that conventional signature based antivirus products don't catch.
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How does nod32krn.exe run?

Service - nod32krn.exe runs as a background Windows service called 'NOD32krn' (NOD32 Kernel Service). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. NOD32 Kernel Service runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.0% of all Boost users have the nod32krn.exe process running.Of the 0.0% of nod32krn.exe users, 23.0% have disabled it.
How resource intensive is nod32krn.exe?
Comparison based on the average resource utilization across all programs.
0.00198% CPU19808.5%
Average CPU utilization across all programs is 0.00001%.
23.47 MB RAM109.0%
Average private memory utilization across all programs is 21.53 MB.
              22 GDI objects14.7%
Average number of GUI GDI and USER objects for all programs is 150.
          12 context switches/sec12.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:
C:\Program Files\eset\nod32krn.exe

Are there other versions of NOD32 Antivirus System?

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by NOD32 Antivirus System.

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)
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File details

File name: nod32krn.exe
Publisher: Eset (verified)
Name: NOD32 Antivirus System
Description: NOD32 Kernel Service
Version: 2, 51, 20
Size: 496 KB
Original file name: nod32krn.exe

Digital certificate

Issued to: ESET
Certificate authority: VeriSign
Effective date: 6/8/2006
Expiration date: 6/9/2007

Resource utilization

CPU utilization averages
Total CPU: 0.0047982132%
Privileged CPU: 0.0028173609%
User CPU: 0.00198085231859%
Privileged CPU time: 4421875 ms
Privileged CPU time /min: 0 ms
Context switches /sec: 12
Memory utilization averages
Committed memory: 101.58 MB
Peak committed memory: 107.84 MB
Paged memory: 23.47 MB
Peak paged memory: 28.49 MB
Paged system memory: 129.12 KB
Non-paged system memory: 7.76 KB
Working set memory: 25.75 MB
Peak working set memory: 30.61 MB
Min working set memory: 25.63 MB
Private memory: 23.47 MB
Page faults: 108,079
Page faults /min: 0
Process I/O averages
Total read operations: 120,940
Total read transfer: 164.72 MB
Total write operations: 11,575
Total write transfer: 17.89 MB
Total other operations: 221,772
Total other transfer: 1.36 MB
GUI Object Averages
GDI objects: 22
USER objects: 6
Handle count average: 262
Thread count average: 17

Process details

Runs as (owner): System
Integrety level: Undefined
Windows platform: 32-bit
Runs as a service: Yes
Parent Process
Process Command
"C:\Program Files\Eset\nod32krn.exe"

Service details

Name: NOD32 Kernel Service
Service name: NOD32krn
Service type: Win32OwnProcess

Image hashes

MD5: 4a1036cc19a9226c843895612409148f
SHA-1: b4bfea833691369a520c3e9e9c0ea715a7d8dece

PE image details

Subsystem: Windows GUI
File packed: No
Import Table
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