setup.exe

Yumon System SL

This is the Softpulse installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application setup.exe by Yumon System SL 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 Softpulse SoftwareBundler installer. The file has been seen being downloaded from ttb.jfpj90z3.com.
Publisher:
Yumon System SL  (signed and verified)

MD5:
52436f4dfd52cc9f7d5b2a0b5b1e7808

SHA-1:
66b41c2bc5ce9a6562dbf1ee619f7a6ec253b717

SHA-256:
7e141a706e557fbbb54a1a7fbc1c6a95e0b5f00d4728d355fd5abc332cb2be86

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 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:
11/23/2024 12:45:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse (M)
16.10.2.1

File size:
577.1 KB (590,952 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler (using Nullsoft Install System)

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

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
1/22/2015 1:00:00 AM

Valid to:
1/23/2016 12:59:59 AM

Subject:
CN=Yumon System SL, O=Yumon System SL, L=Barcelona, S=Barcelona, C=ES

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

Serial number:
7B7F3A830B070F1E43615D98CA5859CA

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:29 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:4xr+Shs22/Ptqi7ZlShw/9GVwR3ha8zjsHld:jShsp3n7Zlyw/9Gr8zgHl

Entry address:
0x30DE

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 27, 7A, 00, E8, F1, 2B, 00, 00, A3, A4, 26, 7A, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 68, DC, 79, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, A0, 1E, 7A, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 80, 7A, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://ttb.jfpj90z3.com/download/request/.../svOxwzqG?__tc=1423914550.339&lpsl=69f6d6a1b19cc4f88717942b3f736c87&expire=1424000929&PubID=338133&slp=www.needfilel.com&ClickID=14771625851423914527&fileName=Setup

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