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What is nassvc.exe?

Part of NAS Power Management Service by BUFFALO INC.

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How does nassvc.exe run?

Service - nassvc.exe runs as a background Windows service called 'NasPmService' (NAS PM Service). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. NAS PM 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 0.3% of all Boost users have the nassvc.exe process running.Of the 0.3% of nassvc.exe users, 16.7% have disabled it.
How resource intensive is nassvc.exe?
Comparison based on the average resource utilization across all programs.
0.01340% CPU133990.0%
Average CPU utilization across all programs is 0.00001%.
          2.2 MB RAM10.2%
Average private memory utilization across all programs is 21.53 MB.
 1 /min0.0%
Average I/O read and write operations for all programs is 2,253 per minute.
 1 context switches/sec1.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:

Are there other versions of NAS Power Management Service?

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 NAS Power Management Service.

What else is related?

What Windows OS versions does this run on?

Windows 7 Home Premium (6.1.7601.65536)
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File details

File name: nassvc.exe
Publisher: BUFFALO INC. (verified)
Name: NAS Power Management Service
Description: NAS Power Management Service
Version: 1.07.120306
Product version: 1.07
Size: 245.86 KB
Original file name: nassvc.exe

Digital certificate

Issued to: BUFFALO INC.
Certificate authority: VeriSign

Resource utilization

CPU utilization averages
Total CPU: 0.0291744330%
Privileged CPU: 0.0157754299%
User CPU: 0.01339900300189%
Privileged CPU time: 312 ms
Privileged CPU time /min: 28 ms
CPU cycle count: 1,256,086,791
CPU cycle count /min: 275,200,146
Context switches /sec: 1
Memory utilization averages
Committed memory: 53.42 MB
Peak committed memory: 55.92 MB
Paged memory: 2.2 MB
Peak paged memory: 2.38 MB
Paged system memory: 87.48 KB
Non-paged system memory: 13.7 KB
Working set memory: 5.67 MB
Peak working set memory: 5.76 MB
Min working set memory: 5.62 MB
Private memory: 2.2 MB
Page faults: 4,367
Page faults /min: 395
Process I/O averages
Total read operations: 8
Read operations /min: 1
Total read transfer: 20.96 KB
Read transfer /min: 1.9 KB
Total other operations: 12,303
Other operations /min: 1,114
Total other transfer: 347.9 KB
Other Transfer /min: 31.51 KB
Handle count average: 103
Thread count average: 8
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
Process Command
"C:\Program Files\BUFFALO\NASNAVI\nassvc.exe" -Service_Execute -dcyc=297 -dto=3 -dluc=0 -dmin=1 -dmax=2 -dflc=0 -apc=0 -log=0 -pm=1 -pall=1 -phttp=0 -pbc=0 -ppro=0 -pcyc=292 -pmin=1 -pmax=2 -pflc=0

Service details

Name: NAS PM Service
Service name: NasPmService
Service type: Win32OwnProcess
Description: “NAS Power Management Service”

Image hashes

MD5: 0bd3793df2665a120a6e0e9b314c28d3
SHA-1: 963ae171a8b0dd1d4c687befd47fe55dab92c9c4
SHA-256: b84774431649f1d679a69abad4b20bc89a695ad6f0d9b5d7deea39aff1ca212b

PE image details

File packed: No
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