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arcupdate.exe

Ahkun CO., LTD.

It runs as a separate (within the context of its own process) windows Service named “Ahkun AntiMalware ARC Update Service”. This is installed with Ahkun EX AntiMalware.
Publisher:
Ahkun CO., LTD.  (signed and verified)

MD5:
1f26b1c34bcd27a864d7eaeb6fb64f10

SHA-1:
19d9bd962660b3c92e5c441ddadc5054f4125fed

SHA-256:
45649ae9776a941f99804865c78c8f313f0134f17fc885d8a9946c1c63eb2952

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
7/13/2025 3:11:53 AM UTC  (today)

File size:
106 KB (108,504 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\ahkun\antimalwarearc\arcupdate.exe

Digital Signature
Signed by:
Ahkun CO., LTD.

Authority:
VeriSign, Inc.

Valid from:
12/1/2009 9:00:00 AM

Valid to:
12/2/2010 8:59:59 AM

Subject:
CN="Ahkun CO., LTD.", OU=Engineering Department, OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Ahkun CO., LTD.", L=Chiyoda-ku, S=Tokyo, C=JP

Issuer:
CN=VeriSign Class 3 Code Signing 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
0762B141C259BA8CEE712272BDF49B87

File PE Metadata
Compilation timestamp:
7/22/2010 5:02:26 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
9.0

CTPH (ssdeep):
1536:TI6udK+eR+NIGZxTbjBy3aHQitUcpdsINRuSLa3Cv:DO1HFy3adBRuSu8

Entry address:
0x4EAE

Entry point:
E8, 21, 93, 00, 00, E9, A4, FE, FF, FF, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 70, 91, 41, 00, 89, 0D, 6C, 91, 41, 00, 89, 15, 68, 91, 41, 00, 89, 1D, 64, 91, 41, 00, 89, 35, 60, 91, 41, 00, 89, 3D, 5C, 91, 41, 00, 66, 8C, 15, 88, 91, 41, 00, 66, 8C, 0D, 7C, 91, 41, 00, 66, 8C, 1D, 58, 91, 41, 00, 66, 8C, 05, 54, 91, 41, 00, 66, 8C, 25, 50, 91, 41, 00, 66, 8C, 2D, 4C, 91, 41, 00, 9C, 8F, 05, 80, 91, 41, 00, 8B, 45, 00, A3, 74, 91, 41, 00, 8B, 45, 04, A3, 78, 91, 41, 00, 8D, 45, 08, A3, 84, 91, 41...
 
[+]

Entropy:
6.6061

Code size:
75 KB (76,800 bytes)

Service
Display name:
Ahkun AntiMalware ARC Update Service

Service name:
AhkUpdate

Type:
Win32OwnProcess


The file arcupdate.exe has been discovered within the following programs.

Ahkun EX AntiMalware  by Ahkun Co., Ltd.
www.AhkunCo.,Ltd..com
About 1% of users remove it
AntiMalware ARC  by Ahkun Co., Ltd.
www.ahkun.jp
About 2% of users remove it
 
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