setup.exe

Plugin Update S.L.

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 Plugin Update S.L 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 www.yuntaishan9.com.
Publisher:
Plugin Update S.L.  (signed and verified)

MD5:
c58eec5b78dc04554a4ac2bad59700b3

SHA-1:
aa77ed1e11648e8b462eb753363c1c1f6745cbf3

SHA-256:
7bd6c5910a12a526534068cc6c4be21a1e919eb867517edaa1df75d4fc9d7ade

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 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:
2/25/2025 1:05:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse.PluginUp.Bundler (M)
16.6.17.20

File size:
932 KB (954,320 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
10/8/2014 1:00:00 AM

Valid to:
10/9/2015 12:59:59 AM

Subject:
CN=Plugin Update S.L., O=Plugin Update S.L., L=Guia de Isora, S=Santa Cruz de Tenerife, 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:
0E923B9CF60DA59FC3A43A87A8071FC2

File PE Metadata
Compilation timestamp:
11/8/2014 8:15:49 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:26IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YK+:26j19rut7FoU56s

Entry address:
0x13716

Entry point:
E8, BD, 79, 00, 00, E9, 7F, FE, FF, FF, E9, C0, 10, 00, 00, 3B, 0D, 70, A8, 48, 00, 75, 02, F3, C3, E9, C2, 7B, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8B, 01, BA, FF, FE, FE, 7E, 03, D0, 83, F0, FF, 33, C2, 83, C1, 04, A9, 00, 01, 01, 81, 74, E8, 8B, 41, FC, 84, C0, 74, 32, 84, E4, 74, 24, A9, 00, 00...
 
[+]

Entropy:
7.4053

Code size:
172.5 KB (176,640 bytes)

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

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