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What is scfservice.exe?

Part of Sophos Client Firewall by Sophos Limited

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How does scfservice.exe run?

Service - scfservice.exe runs as a background Windows service called 'Sophos Client Firewall' (Sophos Client Firewall). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. Sophos Client Firewall runs as a standard Windows service loaded by the Windows Service Controller (services.exe).


What is the community is seeing?What is the community is doing?
About 0.5% of all Boost users have the scfservice.exe process running.Of the 0.5% of scfservice.exe users, 10.0% have disabled it.
How resource intensive is scfservice.exe?
Comparison based on the average resource utilization across all programs.
0.00043% CPU4317.4%
Average CPU utilization across all programs is 0.00001%.
9.09 MB RAM42.2%
Average private memory utilization across all programs is 21.53 MB.
          228 /min10.1%
Average I/O read and write operations for all programs is 2,253 per minute.
              22 GDI objects14.7%
Average number of GUI GDI and USER objects for all programs is 150.
          13 context switches/sec13.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:
C:\Program Files\sophos\sophos client firewall\scfservice.exe

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 Sophos Client Firewall.

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: scfservice.exe
Publisher: Sophos Limited (verified)
Name: Sophos Client Firewall
Description: Sophos Client Firewall service executable
Product version: 2.9.0
Size: 87.02 KB
Original file name: SCFService.exe

Digital certificate

Issued to: Sophos Limited
Certificate authority: VeriSign
Effective date: 12/2/2010
Expiration date: 12/2/2013

Resource utilization

CPU utilization averages
Total CPU: 0.0008634857%
Privileged CPU: 0.0004317429%
User CPU: 0.00043174286996%
Privileged CPU time: 60500 ms
Privileged CPU time /min: 39 ms
Context switches /sec: 13
Memory utilization averages
Committed memory: 146.09 MB
Peak committed memory: 151.12 MB
Paged memory: 9.09 MB
Peak paged memory: 9.23 MB
Paged system memory: 50 KB
Non-paged system memory: 6.6 KB
Working set memory: 13.43 MB
Peak working set memory: 13.45 MB
Min working set memory: 13.09 MB
Private memory: 9.09 MB
Page faults: 9,556
Page faults /min: 6
Process I/O averages
Total read operations: 292,932
Read operations /min: 187
Total read transfer: 528.12 MB
Read transfer /min: 344.72 KB
Total write operations: 63,718
Write operations /min: 41
Total write transfer: 189.7 MB
Write transfer /min: 123.82 KB
Total other operations: 3,915,011
Other operations /min: 2,496
Total other transfer: 458.52 MB
Other Transfer /min: 18.57 MB
GUI Object Averages
GDI objects: 22
USER objects: 8
Handle count average: 180
Thread count average: 10
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\Sophos\Sophos Client Firewall\SCFService.exe"

Service details

Name: Sophos Client Firewall
Service type: Win32OwnProcess, InteractiveProcess
Description: “Protects the computer against unauthorised traffic.”

Image hashes

MD5: a0ca043f435bc603bcfd543d9b9a755c
SHA-1: aa7e5468dcf816017e66c30190e58f4dca0af140
SHA-256: b8b348a0c5a40a36373c704c94765cf504e3c249bb31fdba9d0746f6152aa657

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++ 8.0
File packed: No
Import Table
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