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softonicdownloader_for_kmplayer.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 softonicdownloader_for_kmplayer.exe by Softonic International has been detected as a potentially unwanted program by 15 anti-malware scanners. The program is a setup application that uses the Softonic Downloader installer.
Publisher:
Softonic   (signed by Softonic International)

Product:
Softonic Downloader

Version:
1, 40, 1, 0

MD5:
60e3fe0900f1b05e6c1e486b2b46a233

SHA-1:
c12ed21d88cb34141fd1d1c87662f32fb405f14b

SHA-256:
720371449fb21fd8b36d1da52db5d7d26784133af2d68a6ce58f06629508359d

Scanner detections:
15 / 68

Status:
Potentially unwanted

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:
4/24/2024 8:59:43 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Softonic
7.1.1

Bkav FE
W32.Clod780.Trojan
1.3.0.4959

Comodo Security
Application.Win32.Agent.SOFE
18104

Dr.Web
Adware.Downware.1657
9.0.1.0110

ESET NOD32
Win32/SoftonicDownloader (variant)
8.9674

IKARUS anti.virus
not-a-virus:Downloader.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11755

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.3987

Malwarebytes
PUP.Optional.Softonic.A
v2014.04.20.03

McAfee
Artemis!60E3FE0900F1
5600.7154

Qihoo 360 Security
Win32/Virus.Downloader.591
1.0.0.1015

Reason Heuristics
Bundler.PPI.Softonic.FF
14.4.20.15

Rising Antivirus
PE:Malware.Obscure/Heur!1.9E03
23.00.65.14418

Trend Micro House Call
TROJ_GEN.F47V1116
7.2.110

VIPRE Antivirus
Trojan-Downloader.Win32.Agent
28214

File size:
392.3 KB (401,728 bytes)

Product version:
1, 40, 1, 0

Copyright:
Copyright (C) 2013

Original file name:
SoftonicDownloader.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softonic Downloader

Language:
Spanish (Spain, International Sort)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\softonicdownloader_for_kmplayer.exe

Digital Signature
Signed by:
Softonic International

Authority:
VeriSign, Inc.

Valid from:
7/3/2013 4:00:00 AM

Valid to:
10/3/2015 3:59:59 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:
11/12/2013 1:47:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:uTHiFlkI9s6dRi7X4+C9rr5TLeqvkQnoSNF8i:uTHEkBORij4+yrrlL+0F9

Entry address:
0x15F630

Entry point:
60, BE, 00, 90, 50, 00, 8D, BE, 00, 80, EF, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, 9D, D9, 15, 00, 57, 83, C3, 04, 53, 68, 24, 66, 05, 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...
 
[+]

Entropy:
7.9637  (probably packed)

Code size:
352 KB (360,448 bytes)

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

http://sd-cf.en.softonic.com/47000/47650/.../SoftonicDownloader_for_kmplayer.exe

http://dplus.en.softonic.com/ud-client/47000/.../SoftonicDownloader_for_kmplayer.exe

http://kmplayer.en.softonic.com/universaldownloader-launch

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

TCP (HTTP):
Connects to static.sd.softonic.com  (46.28.209.70:80)

TCP (HTTP):
Connects to screenshots.com.sftcdn.net  (46.28.209.55:80)

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