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What is issvc.exe?

Part of Internet Security by Symantec

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How does issvc.exe run?

Service - issvc.exe runs as a background Windows service called 'ISSVC' (IS Service). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. IS 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 0.5% of all Boost users have the issvc.exe process running.Of the 0.5% of issvc.exe users, 10.0% have disabled it.
How resource intensive is issvc.exe?
Comparison based on the average resource utilization across all programs.
0.00013% CPU1314.1%
Average CPU utilization across all programs is 0.00001%.
          3.89 MB RAM18.0%
Average private memory utilization across all programs is 21.53 MB.
         4 GDI objects2.7%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:
C:\Program Files\symantec client security\symantec client firewall\issvc.exe

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.131072)
Microsoft Windows XP (5.1.2600.196608)

About Symantec Corporation

Symantec provides security, storage and systems management software for business and individual use. The company helps customers protect their information, iden More...
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File details

File name: issvc.exe
Publisher: Symantec Corporation (verified)
Name: Internet Security
Description: IS Service
Product version: 8.6
Size: 77.63 KB
Original file name: ISSVC.exe

Digital certificate

Certificate authority: VeriSign
Effective date: 11/8/2004
Expiration date: 11/21/2005

Resource utilization

CPU utilization averages
Total CPU: 0.0003327365%
Privileged CPU: 0.0002013279%
User CPU: 0.00013140861043%
Privileged CPU time: 406.25 ms
Privileged CPU time /min: 0 ms
Memory utilization averages
Committed memory: 47.2 MB
Peak committed memory: 51.19 MB
Paged memory: 3.89 MB
Peak paged memory: 3.99 MB
Paged system memory: 77.63 KB
Non-paged system memory: 5.92 KB
Working set memory: 6.28 MB
Peak working set memory: 6.74 MB
Min working set memory: 6.28 MB
Private memory: 3.89 MB
Page faults: 2,641
Page faults /min: 0
Process I/O averages
Total read operations: 2,683
Total read transfer: 11.62 MB
Total write operations: 23
Total write transfer: 3.25 KB
Total other operations: 1,210
Total other transfer: 34.09 KB
GUI Object Averages
GDI objects: 4
USER objects: 1
Handle count average: 212
Thread count average: 7
Thread resource averages

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\Symantec Client Security\Symantec Client Firewall\ISSVC.exe"

Service details

Name: IS Service
Service name: ISSVC
Service type: Win32OwnProcess
Description: “Internet Security Service”

Image hashes

MD5: 5282200f2d6aab196e6a1cf7f82583f6
SHA-1: 1f6ad8e678f826e0b537b1938a0d52d2930fdfaf
SHA-256: c239527e4eecdd2b0019a9a8a8f464ed2b0ff18fd002c9419535143ad27499ad

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++ 7.1
File packed: No
Import Table
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