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dnbo2cu.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 dnbo2cu.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 get.0143i.info.
Publisher:
DAGOS  (signed by Yes Apps)

Product:
DAGOS

Version:
2768.151113.735.3957

MD5:
20e1a7aa3cc0b25deee7ad05e2f10038

SHA-1:
bc43ae31373510a5f971e960fde2efdcb5b4c174

SHA-256:
1937ef08540e4ef87eb9d7077b0bae081d7c2591679d226469f2a6f4bb1c4451

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 12:44:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.YesApps.Bundler (M)
16.3.16.8

File size:
344.4 KB (352,616 bytes)

Product version:
2768.151113.735.3957

Copyright:
DAGOS

Trademarks:
DAGOS

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\dnbo2cu.exe

Digital Signature
Signed by:
Yes Apps

Authority:
GlobalSign nv-sa

Valid from:
1/4/2015 4:07:58 AM

Valid to:
11/20/2015 4:31:49 AM

Subject:
CN=Yes Apps, O=Yes Apps, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112142ED1247F6EEDCC3B9B4A1C7F026A070

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:5FJ0h27BE6x9wT02g/GDWxeewM4vtvZwC7wJdGu4EOjSrA9nzquSUdtgGu:Q2d/wTHgKW+jFvZz7wJdGu4EOAUnOuSj

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 dnbo2cu.exe has been seen being distributed by the following URL.

http://get.0143i.info/0t83i1k/14474349391/14474349394/14474349399/144743493916/144743493925/144743493936/144743493949/144743493964/144743493981/1447434939100/.../?54082050528YmF0MT1wODExMi=&svImQ1MTAuMzMkZDguOS00NSFuOC8ea25vXHNjb25ca=10&4QG9=vbGxqYV9LWWldZ11wJmB4Y&HNq=ZzlobHJwIDNcIyphITJeYm9ybmdtWV8pc&11wdmBybixbamklKm=RTdHNEbF5qITJeVE9OdHBgJmB0ZR5ieWlhaGdbaV&1tXTtVa2Rccl=1uIm&Zham=VpYWhjNV9KQkcwY3AmZGFnaTkzKCRwbWw4Lx5ea241LyZvczgvLC8zNCsyOS45IWVsOGNlbDc

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