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okextern.exe

오픈키워드(OpenKeyword)

TGSM Inc.

The application okextern.exe by TGSM has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer.
Publisher:
http://openkeyword.co.kr  (signed by TGSM Inc.)

Product:
오픈키워드(OpenKeyword)

Version:
1.0.0.1

MD5:
38f2efa2d40ff3acf0c57cb4b59a250e

SHA-1:
0df384bf404c88f717116291c23a31400f096c87

SHA-256:
f3edb605f8f006360f71b45f67ae038781ddc2f89fdaf19fef51b2ba774d3430

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/19/2024 2:45:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OpenShopper.TGSM.Installer (M)
15.12.23.2

File size:
387 KB (396,240 bytes)

Product version:
1.0.0.1

Copyright:
오픈키워드(OpenKeyword)

Trademarks:
오픈키워드(OpenKeyword)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Korean (Korea)

Common path:
C:\users\{user}\appdata\roaming\microsoft\windows\templates\okextern.exe

Digital Signature
Signed by:
TGSM Inc.

Authority:
Thawte, Inc.

Valid from:
2/10/2011 7:00:00 PM

Valid to:
3/12/2012 7:59:59 PM

Subject:
CN=TGSM Inc., OU=Dev Team, O=TGSM Inc., L=Haeundae-gu, S=Busan, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
5110A6616204B0264E74F3527FA2AA76

File PE Metadata
Compilation timestamp:
6/6/2009 5:43:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:6FJ0hx6qSQipo+/f4aSwZLverDKcyCBJmUr15cMpNN1lKgFyJNLCt225HHMwjul5:XxsQu/gaSwZLvGrgqWM/ltIJdfgMkxox

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 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, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8665

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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