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ARcltsrv.exe

CryptoKit

Algorithmic Research LTD.

It runs as a separate (within the context of its own process) windows Service named “ARcltsrv”.
Publisher:
Algorithmic Research LTD.  (signed and verified)

Product:
CryptoKit

Description:
AR Client Service

Version:
4.2.0.0

MD5:
185f261209902b2838b23036bc210c65

SHA-1:
eb116c7990f6232f1b5f16d43566e0573fb6e7a2

SHA-256:
9a6c4b3bd0b740fc9a326a14941b663845dc895b9ddf4f8bc43e2172ea901837

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
9/28/2026 10:26:32 AM UTC  (today)

File size:
101.9 KB (104,320 bytes)

Product version:
4.2.0.0

Copyright:
Copyright (c) 1999 Algorithmic Research Ltd.

Original file name:
ARcltsrv.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\arx\arx cryptokit\utils\arcltsrv.exe

Digital Signature
Signed by:
Algorithmic Research LTD.

Authority:
VeriSign, Inc.

Valid from:
10/16/2007 5:00:00 AM

Valid to:
11/4/2008 3:59:59 AM

Subject:
CN=Algorithmic Research LTD., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Algorithmic Research LTD., L=Petah Tikva, S=Israel, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2004 CA, OU=Terms of use at https://www.verisign.com/rpa (c)04, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6721213E83939B134D84F334F5C4888C

File PE Metadata
Compilation timestamp:
1/14/2008 1:53:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:TwSbSpt+o5PpDsPNY7d4iyRTd+CJ+4XCd3XrsOklu0VpzmcTf0v:TfbSpwoXdEJU3XrsOklu0Vt9

Entry address:
0x7DEA

Entry point:
55, 8B, EC, 6A, FF, 68, 80, F2, 40, 00, 68, B8, 94, 40, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 58, 53, 56, 57, 89, 65, E8, FF, 15, 5C, F1, 40, 00, 33, D2, 8A, D4, 89, 15, 78, 66, 41, 00, 8B, C8, 81, E1, FF, 00, 00, 00, 89, 0D, 74, 66, 41, 00, C1, E1, 08, 03, CA, 89, 0D, 70, 66, 41, 00, C1, E8, 10, A3, 6C, 66, 41, 00, 6A, 01, E8, 68, 02, 00, 00, 59, 85, C0, 75, 08, 6A, 1C, E8, C3, 00, 00, 00, 59, E8, D6, 17, 00, 00, 85, C0, 75, 08, 6A, 10, E8, B2, 00, 00, 00, 59, 33, F6, 89, 75...
 
[+]

Entropy:
5.7013

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
56 KB (57,344 bytes)

Service
Display name:
ARcltsrv

Description:
Algorithmic Research Client Service

Type:
Win32OwnProcess


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