installation.exe

OUTbrowse Ltd

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.exe by OUTbrowse 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.default-page.com.
Publisher:
OUTbrowse Ltd  (signed and verified)

MD5:
f6def32e53872323da87ec04c085352e

SHA-1:
25fd7d99964a00f149d78453ef99f98c80683302

SHA-256:
bd26cc6371690f076f3023668f1e873c9c722a217ba05d6393c4af5c208babe9

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 9:52:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Bundler
17.2.22.7

File size:
564.7 KB (578,280 bytes)

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
8/18/2014 9:30:42 AM

Valid to:
8/19/2015 9:30:42 AM

Subject:
CN=OUTbrowse Ltd, OU=Tech, O=OUTbrowse Ltd, L=Ramat Gan, S=Israel, C=IL

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

Serial number:
11218698DE6360060E5B84AA941E48BB9A93

File PE Metadata
Compilation timestamp:
12/5/2009 6:50:52 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)

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

http://get.default-page.com/.../Get?p=3022&d=20297&l=1694&n=0&d1=687811&clickid=Z4dXVpZD1iYTk1YTMxYS01M2JlLTRjM2YtOWUxYi00ZDllOWQ4Mjc4NTc

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