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kmp_3.9.0.124.exe

Softonic Downloader

Softonic International

This is the Download Manager localized to Spanish that bundles the original software from the Softonic.com web site along with additional offers, mostly ad-supported browser extensions and utilities. While the original product is most likely clean, the Softonic Downloader is considered a PUP. The application kmp_3.9.0.124.exe by Softonic International has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the Softonic Downloader installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from sd-cf.en.softonic.com and multiple other hosts.
Publisher:
Softonic  (signed by Softonic International)

Product:
Softonic Downloader

Version:
1.41.0.20

MD5:
643b9198d62856eb3a5171962a099fad

SHA-1:
a82a481dd56c1bbdacd2e33d7cec20190bebaed7

SHA-256:
445c0e9a21152919be43a5a7ea678de2ff560a6f559c7fd701fe5e382b1eabfa

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Softonic Downloader is a download and install manager that provides users to the Softonic web site the ability to download 3rd-party software. During the installation the installer will show sponsored offers such as adware type toolbars and web browser extensions as well as other potentially unwanted applications. This type of software is typically known as an adware co-bundler. The downloader does not modify the original software.

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:
4/19/2024 1:43:02 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.SoftonicDownloader
4.0.3.14621

Dr.Web
Adware.Downware.4164
9.0.1.0172

ESET NOD32
Win32/SoftonicDownloader (variant)
8.9975

Fortinet FortiGate
Riskware/Agent
6/21/2014

IKARUS anti.virus
PUA.Softonic
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12478

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.3679

Malwarebytes
PUP.Optional.Softonic.A
v2014.06.21.06

McAfee
Artemis!643B9198D628
5600.7093

Panda Antivirus
Trj/Chgt.A
14.06.21.06

Qihoo 360 Security
Win32/Virus.Downloader.054
1.0.0.1015

Reason Heuristics
Bundler.PPI.Softonic.K
14.6.21.6

Trend Micro House Call
Suspicious_GEN.F47V0619
7.2.172

VIPRE Antivirus
Softonic Downloader
30488

File size:
349.6 KB (358,032 bytes)

Product version:
1.41.0.20

Copyright:
Copyright (C) 2014

Original file name:
SoftonicDownloader.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softonic Downloader

Language:
Spanish

Common path:
C:\users\{user}\appdata\local\temp\kmp_3.9.0.124.exe

Digital Signature
Signed by:
Softonic International

Authority:
VeriSign, Inc.

Valid from:
7/3/2013 3:00:00 AM

Valid to:
10/3/2015 2:59:59 AM

Subject:
CN=Softonic International, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Softonic International, L=Barcelona, S=Barcelona, C=ES

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:
67C1FF44C765ABDA26027A6DCA52BA11

File PE Metadata
Compilation timestamp:
6/11/2014 10:41:03 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:jYBtPdv3lkW5kCz3mlh6F556lrlMzjAOI/odcmAKu1cMh2idu+pLFoSVIqB2Iaw:kBtPp6Gmzw5spMjAj/oSvxCqFoSVzL

Entry address:
0xEECD0

Entry point:
60, BE, 00, 30, 4A, 00, 8D, BE, 00, E0, F5, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, ED, C8, 0E, 00, 57, 83, C3, 04, 53, 68, CD, BC, 04, 00, 56, 83, C3, 04, 53, 50, C7, 03, 03, 00, 02, 00, 90, 90, 90, 90, 90, 55, 57, 56, 53, 83, EC, 7C, 8B, 94, 24, 90, 00, 00, 00, C7, 44, 24, 74, 00, 00, 00, 00, C6, 44, 24, 73, 00, 8B, AC, 24, 9C, 00, 00, 00, 8D, 42, 04, 89, 44, 24, 78, B8, 01, 00, 00, 00, 0F, B6, 4A, 02, 89, C3, D3, E3, 89, D9, 49, 89, 4C, 24, 6C, 0F, B6, 4A...
 
[+]

Code size:
308 KB (315,392 bytes)

The file kmp_3.9.0.124.exe has been seen being distributed by the following 3 URLs.

http://sd-cf.en.softonic.com/3348000/3348762/.../kmplayer_downloader.exe

http://dplus.en.softonic.com/ud-client/1841/3348000/.../kmplayer_downloader.exe

http://kmplayer-korea.en.softonic.com/universaldownloader-launch?WL=1841

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to par10s10-in-f7.1e100.net  (173.194.40.135:80)

TCP (HTTP):
Connects to par03s03-in-f7.1e100.net  (173.194.34.39:80)

TCP (HTTP):
Connects to fra02s22-in-f26.1e100.net  (173.194.113.122:80)

TCP (HTTP):
Connects to fra02s21-in-f26.1e100.net  (173.194.113.90:80)

TCP (HTTP):
Connects to fa-in-f154.1e100.net  (173.194.70.154:80)

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