kmplayer_downloader.exe

Application Setup

Softonic International

The application kmplayer_downloader.exe by Softonic International has been detected as a potentially unwanted program 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 Softonic Downloader installer. The file has been seen being downloaded from kmplayer.en.softonic.com.
Publisher:
Softonic International  (signed and verified)

Product:
Application Setup

Version:
1.41.4.3

MD5:
c4df3b73c7e495be752e0f99471abfa7

SHA-1:
20a1c5ffd19696c3bb9cd7f7d178a1dcad66e1a3

SHA-256:
163430e5a9d196710946fc50f37dae6fd7f3f6212a485f5258a730c8412d129b

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
12/26/2024 9:25:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softonic (M)
16.7.26.18

File size:
359.1 KB (367,752 bytes)

Product version:
1.41.4.3

Copyright:
Copyright (C) 2014

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softonic Downloader

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

Digital Signature
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:
8/25/2014 6:55:30 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:an7zi9W6hMux6qLm8+DJWtNQvBpaVmsUKVaQ6RRe/fNOk9HEEVZoStCVMB2Ia7:a7zio6doAmBDJLppa4KVGRROFbpoStCV

Entry address:
0xF7350

Entry point:
60, BE, 00, 90, 4A, 00, 8D, BE, 00, 80, F5, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, 27, 59, 0F, 00, 57, 83, C3, 04, 53, 68, 3F, E3, 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...
 
[+]

Entropy:
7.9613  (probably packed)

Code size:
316 KB (323,584 bytes)

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

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