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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 image.creditbank.co.kr and multiple other hosts.
Publisher:
AhnLab, Inc  (signed by AhnLab, Inc.)

Product:
AhnLab Online Security Installation Tool

Version:
2.2.0.535

MD5:
1b6afa980b16add97667bdda4a763c8d

SHA-1:
d16d57f8ceb980e36c3aaa5b281e15f98c3635ff

SHA-256:
12855c5fe38d5eecf45ea011adf59037a1aaab5f1cd94db460a32f75ba89be76

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
12/27/2024 9:54:25 AM UTC  (today)

File size:
1.3 MB (1,331,288 bytes)

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

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\instaosmgr.exe

Digital Signature
Signed by:
AhnLab, Inc.

Authority:
VeriSign, Inc.

Valid from:
1/29/2014 9:00:00 AM

Valid to:
1/30/2015 8:59:59 AM

Subject:
CN="AhnLab, Inc.", OU=Information System Team, OU=Digital ID Class 3 - Microsoft Software Validation v2, O="AhnLab, Inc.", L=Seongnam, S=Gyeounggi, C=KR

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
64353124FF7130A76154FE10D2670458

File PE Metadata
Compilation timestamp:
7/1/2013 9:58:50 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:c+Tkh0uFc8nuo4BNPOx40MsZE1zx7ISXxRRshUgYWrk6drFBz92g8mpvsBA6:c+TSFcxw+0MsZETBRyhU8rk6dzYcpvKj

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:
7.9774

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 3 URLs.

https://image.creditbank.co.kr/static/newcredit/.../InstAosmgr.exe

http://www.shinhaninvest.com/util/.../InstAosmgr.exe

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

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