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kakaotalk_setup.exe

KakaoTalk

Innovative Systems LLC

The application kakaotalk_setup.exe by Innovative Systems 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. The file has been seen being downloaded from kakaotalk.joydownload.com.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
KakaoTalk

Version:
1.0.0.0

MD5:
54d1ff65c41fbf5dfe43765164a1d231

SHA-1:
86886c59717b5bacfdfcfd7648f95173f7b6fbcb

SHA-256:
8cb6f7114d1d0ea42881f6387691e11f71f54909a6e67a6f507da6cdf9470f36

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:
5/6/2024 6:38:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
16.1.21.9

File size:
489.6 KB (501,392 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\cancel booking\kakaotalk_setup.exe

Digital Signature
Signed by:
Innovative Systems LLC

Authority:
VeriSign, Inc.

Valid from:
5/19/2014 7:00:00 AM

Valid to:
5/20/2015 6:59:59 AM

Subject:
CN=Innovative Systems LLC, O=Innovative Systems LLC, L=Dnepropetrovsk, S=Dnepropetrovska oblast, C=UA

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:
450EACFE8D673E82864CE46BC1A92FCA

File PE Metadata
Compilation timestamp:
5/20/2013 6:53:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:lKctyNsqeWVz7RrUpKF9zQi2VTEq2tc9ebe5H6SU:LtyNgI3RYpKbQi2VTAie6B6SU

Entry address:
0x333E

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 80, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 78, 4F, 43, 00, E8, A8, 2E, 00, 00, A3, C4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, F0, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, 7C, A3, 40, 00, 68, C0, 3E, 43, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8990

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file kakaotalk_setup.exe has been seen being distributed by the following URL.

http://kakaotalk.joydownload.com/get_file/wUia6yjQOMzI2muzUbjxCgggkkU0PTmkGBDga5/ZtukkrTyqsGMxwd4EP07ibLj7LXj/ylVYOHHYQqrnROR hvs81s3eDQWb7XSpVxeo/.../9Wyc7rJUxWM htS0lTaMCUAz46ONCbbk4wh LuESw3O9ymw ZsBGix8VDJlu05TNLkMpe8ZChW3sW9GO8klhUS6YO h1vyfPMswz6tQMVf5NW6QGvi8JuWkD52OOoXEMYvMjwps i1HxljnB39

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