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KakaoTalk_PC_Setup.exe

KakaoTalk for PC

Install Helper

This is the Vittalia Filewon Installer 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 Install Helper has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the Vittalia DM installer. The file has been seen being downloaded from analytics.freewareflow.com and multiple other hosts.
Publisher:
Install Helper  (signed and verified)

Product:
KakaoTalk for PC

Version:
3.0.0.81

MD5:
e5adbd5e0e93025cf169e31c81dd6a40

SHA-1:
d47f126d6c5aa3fcb9cfc3acaec41a3df3384d7f

SHA-256:
3ba5606148354f16d2489ece57a3d44d4537eaadeaad9b71873f482ea310460c

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/29/2024 2:45:12 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Crypt.XPACK.Gen
7.11.213.146

avast!
Win32:Adware-CKN [PUP]
150129-1

AVG
Generic
2016.0.3180

Dr.Web
Trojan.Vittalia.18
9.0.1.05190

ESET NOD32
Win32/DownloadAssistant.A potentially unwanted application
7.0.302.0

IKARUS anti.virus
Trojan.Win32.Rimecud
t3scan.1.8.6.0

K7 AntiVirus
Unwanted-Program
13.200.15164

Reason Heuristics
PUP.Bundler.Vittalia
15.3.5.3

Rising Antivirus
PE:Malware.XPACK-HIE/Heur!1.9C48
23.00.65.15303

Sophos
PUA 'AirInstaller'
5.11

File size:
837.2 KB (857,256 bytes)

Product version:
3.0.0.81

Copyright:
(c) Install Helper

Original file name:
KakaoTalk_PC_Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM

Language:
English (United States)

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

Digital Signature
Signed by:
Install Helper

Authority:
Symantec Corporation

Valid from:
1/28/2015 7:00:00 PM

Valid to:
1/29/2016 6:59:59 PM

Subject:
CN=Install Helper, O=Install Helper, L=Vancouver, 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:
7CC3624C218D0B5B8DB87F5E4E3521B0

File PE Metadata
Compilation timestamp:
2/24/2015 12:54:41 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:GhrLYzUZLOsupq7qwpt926woC5a1G0q+VKDF:8L9/pv26O5h0hCF

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 80, 47, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0597

Developed / compiled with:
Microsoft Visual C++

Code size:
475 KB (486,400 bytes)

The file KakaoTalk_PC_Setup.exe has been seen being distributed by the following 4 URLs.

http://analytics.freewareflow.com/v2/click/e2aafbec/?d=http://app.pc.kakao.com/talk/win32/KakaoTalk_Setup.exe&key=5f29efcb193771e88312c797072a491b3fbdb4dcb3ccd861d25d5f172c07c6cb&sid=USA-KKT-GGL&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

http://www.freewareflow.com/b/usa/freeware/KakaoTalk/ggl/.../live.php

http://click.freewareflow.com/tracking202/.../pci.php?pci=19146879

http://freewareflow.com/b/usa/freeware/KakaoTalk/ggl/.../download.php

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