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What is arcltsrv.exe?

Part of CryptoKit by Algorithmic Research Ltd.

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How does arcltsrv.exe run?

Service - arcltsrv.exe runs as a background Windows service called 'ARcltsrv' (ARcltsrv). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. ARcltsrv 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 0.1% of all Boost users have the arcltsrv.exe process running.Of the 0.1% of arcltsrv.exe users, 24.0% have disabled it.
How resource intensive is arcltsrv.exe?
Comparison based on the average resource utilization across all programs.
0.00004% CPU372.2%
Average CPU utilization across all programs is 0.00001%.
          4.95 MB RAM23.0%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:
C:\Program Files\arx\arx cryptokit\utils\arcltsrv.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 CryptoKit.

What else is related?

What Windows OS versions does this run on?

Windows Vista (TM) Business (6.0.6002.131072)
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File details

File name: arcltsrv.exe
Publisher: Algorithmic Research Ltd. (verified)
Name: CryptoKit
Description: AR Client Service
Size: 113.94 KB
Original file name: ARcltsrv.exe

Digital certificate

Certificate authority: VeriSign
Effective date: 10/11/2009
Expiration date: 11/3/2010

Resource utilization

CPU utilization averages
Total CPU: 0.0000975936%
Privileged CPU: 0.0000603725%
User CPU: 0.00003722115586%
Privileged CPU time: 233736.3 ms
Privileged CPU time /min: 72 ms
CPU cycle count: 947,330,130
CPU cycle count /min: 393,950,818
Memory utilization averages
Committed memory: 71.16 MB
Peak committed memory: 73.3 MB
Paged memory: 4.95 MB
Peak paged memory: 5.26 MB
Paged system memory: 124.34 KB
Non-paged system memory: 4.97 KB
Working set memory: 4.91 MB
Peak working set memory: 7.29 MB
Min working set memory: 4.88 MB
Private memory: 4.95 MB
Page faults: 6,890
Page faults /min: 2
Process I/O averages
Total read operations: 20
Read operations /min: 1
Total read transfer: 61.08 KB
Read transfer /min: 19 Bytes
Total write operations: 13
Write operations /min: 1
Total write transfer: 1.37 KB
Write transfer /min: 0 Bytes
Total other operations: 24,934
Other operations /min: 8
Total other transfer: 1.97 MB
Other Transfer /min: 634 Bytes
Handle count average: 155
Thread count average: 6
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Runs as a service: Yes
Parent Processes
Child Process
Process Commands
"C:\Program Files\ARX\ARX CryptoKit\utils\ARcltsrv.exe" /T=installer
"C:\Program Files\ARX\ARX CryptoKit\\utils\arcltsrv.exe"

Service details

Name: ARcltsrv
Service type: Win32OwnProcess
Description: “ARX Client Service”

Image hashes

MD5: 166903eb2415526df21ed64bbb07f7d3
SHA-1: 6c8a0f3591d4e980f4e8b00a028d35f1744b759f
SHA-256: 011b131a7c9b091d63c7b0e8c9bffeaa025327cd760b9e1498be90363fa1aa89

PE image details

Subsystem: Windows GUI
File packed: No
Import Table
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