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instaosmgr.exe

AhnLab Online Security Installation Tool

AhnLab, Inc.

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from ahnlabdownload.nefficient.co.kr and multiple other hosts.
Publisher:
AhnLab, Inc  (signed by AhnLab, Inc.)

Product:
AhnLab Online Security Installation Tool

Version:
2.0.0.221

MD5:
55984b82977f1de22a0109a185af2134

SHA-1:
e8ca760a420e5a832103367d94849a7adbdf076d

SHA-256:
e9043c14291ce08c331d3f3b750996f05e46aa6213812d7601e63125ead311ad

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
12/27/2024 9:43:51 AM UTC  (today)

File size:
734.1 KB (751,704 bytes)

Copyright:
(C) Copyright 2008. AhnLab, Inc.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:
AhnLab, Inc.

Authority:
VeriSign, Inc.

Valid from:
10/6/2009 9:00:00 AM

Valid to:
10/7/2010 8:59:59 AM

Subject:
CN="AhnLab, Inc.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="AhnLab, Inc.", L="Yeongdeungpo-gu ", S=SEOUL, C=KR

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:
6D1F15C8B89225B9BBFFE923241A6AC4

File PE Metadata
Compilation timestamp:
7/7/2009 1:25:43 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:02Q6TTkhqQrladKJkEYPTVOltphkywcIV13bUb3iQfRqdBz:0+TkhTrlgEYPLywcI/323f4Hz

Entry address:
0x3099

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 40, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 78, 72, 40, 00, 6A, 09, A3, 18, EC, 42, 00, E8, CD, 2C, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 8C, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 34, 91, 40, 00, 68, 60, E3, 42, 00, E8, 56, 29, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 44, 29, 00, 00...
 
[+]

Entropy:
7.9431

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file instaosmgr.exe has been seen being distributed by the following 2 URLs.

http://ahnlabdownload.nefficient.co.kr/aos/.../InstAosmgr.exe

http://ahnlabdownload.nefficient.co.kr/asp/.../InstAosmgr.exe

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