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kakaotalk_pc_setup.exe

KakaoTalk for PC

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application kakaotalk_pc_setup.exe by Download Assistant 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 AirInstaller Download Manager installer. The file has been seen being downloaded from analytics.freewareflow.com.
Publisher:
Download Assistant  (signed and verified)

Product:
KakaoTalk for PC

Version:
3.0.0.134

MD5:
0c541b0822e199f53e16e31aac2dd55b

SHA-1:
f845341c7f9997107bae02a4b47a68dc1cd3d1c3

SHA-256:
ff39b397a929cf2d246862ccf49c1b8d7165fbe11e5ec1162c6861c7a84a6ae5

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.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/24/2024 5:38:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.2.17.23

File size:
1.1 MB (1,139,224 bytes)

Product version:
3.0.0.134

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\kakaotalk_pc_setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
12/1/2015 7:00:00 PM

Valid to:
3/2/2017 6:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
04A6D3440F1D06EE9CA4CE2B30C76606

File PE Metadata
Compilation timestamp:
1/30/2013 9:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:txG3np5/PUVhbZNAxeVE/qXOW2qysccbr2rJrwb7zC9q8QRhd:m55UvZRV4mOW2OcBqb1

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9710

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://analytics.freewareflow.com/v2/click/c2ba3weo/?d=http://app.pc.kakao.com/talk/win32/KakaoTalk_Setup.exe&key=5f29efcb193771e88312c797072a491b3fbdb4dcb3ccd861d25d5f172c07c6cb&sid=USA-KKT-BNG&uid=&affiliate_image=http://freewareflow.com/b/usa/freeware/KakaoTalk/1/.../installerlogo.png&product_image=http://freewareflow.com/b/usa/freeware/KakaoTalk/1/.../productlogo.png&n=KakaoTalk for PC&filename=KakaoTalk_PC_Setup

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