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c91b.tmp

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 file c91b.tmp 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.
Publisher:
Yumon System SL  (signed and verified)

MD5:
216120d10327a6ceff88b08bdd764dc4

SHA-1:
b0ac5edd23912750646c0de5dfb49f2007118fce

SHA-256:
54cea892f8c98b86a6abb1f447985afb06727bbff64775aa646c9296b2d4daa4

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 12:21:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse (M)
17.3.7.23

File size:
626.2 KB (641,200 bytes)

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

Common path:
C:\users\{user}\downloads\c91b.tmp

Digital Signature
Signed by:
Yumon System SL

Authority:
COMODO CA Limited

Valid from:
10/14/2014 10:00:00 PM

Valid to:
10/15/2015 9:59:59 PM

Subject:
CN=Yumon System SL, O=Yumon System SL, STREET="C Marques de mulhacen, Num 8", L=Barcelona, S=Barcelona, PostalCode=08034, C=ES

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
0094BA32D9D3F668B07F49CAFD6D641657

File PE Metadata
Compilation timestamp:
12/5/2009 8:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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