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setup.exe

yES APPs

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 yES APPs 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. The file has been seen being downloaded from dl.downloaddesktop2.com.
Publisher:
OIBVA  (signed by yES APPs)

Product:
OIBVA

Version:
1818.15531.856.7329

MD5:
a584aa29cd67c1727aa438e0ecc821dd

SHA-1:
109d470fdbc2b93e0b3f4fb5fadb20e42593e3b3

SHA-256:
a378b3eb8897a1b08856b76f5827939330b2cdc83561c199a4fd56d5e8d70724

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:
12/24/2024 4:53:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.10.8.1

File size:
745.7 KB (763,624 bytes)

Product version:
1818.15531.856.7329

Copyright:
OIBVA

Trademarks:
OIBVA

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
yES APPs

Authority:
thawte, Inc.

Valid from:
5/28/2015 2:00:00 AM

Valid to:
12/18/2015 12:59:59 AM

Subject:
CN=yES APPs, O=yES APPs, L=Dublin, S=Dublin, C=IE

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

Serial number:
265DC0408CF3B52DFB1D83A636C6D864

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:uoxXOCMULbm6hQbS822oiiI8JID6sjLqnBlhxssCUExCkYkBSmMCKCTrkRG4r/Ox:uoJOjUHm6hm9snhQTYkBTM7CERG4B86

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://dl.downloaddesktop2.com/1433082250/1433082250/.../bzUwLSovMB5cPDE3LTUtIGQ6KysxNSVmPCogXC41RlRNQT1RIF1kZltjaGQ8W3MrKjBBQlI1ZyVhYmloNTMecmhwPCg

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