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setup.exe

best InStAll tLL

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application setup.exe by best InStAll tLL 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 OutBrowse Revenyou installer.
Publisher:
YUUWI  (signed by best InStAll tLL)

Product:
YUUWI

Version:
1796.15528.1199.6719

MD5:
96db770060a725455b534e766149d00a

SHA-1:
48944fb12ab27172cbbf7248ed1597b88cc7e1f9

SHA-256:
cdb9ad1bc4b51d40f2f15bbf2c3dc3419285b1ea463893a56e9948f6c44b1b50

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:
5/4/2024 5:37:58 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.15.18

File size:
762.2 KB (780,512 bytes)

Product version:
1796.15528.1199.6719

Copyright:
YUUWI

Trademarks:
YUUWI

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

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

Digital Signature
Signed by:
best InStAll tLL

Authority:
thawte, Inc.

Valid from:
5/26/2015 9:00:00 AM

Valid to:
1/28/2016 8:59:59 AM

Subject:
CN=best InStAll tLL, O=best InStAll tLL, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
28BE5000EA4372D194EECFD0EAE97B1A

File PE Metadata
Compilation timestamp:
12/6/2009 7:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:3yHmky9EF5QYHDsuXjaPPPQGCICPdiVu97waWfc8vy4h:3yHmkYEAmDZXjgCICPdiVCwaD86

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9632

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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