install.exe

OUTBROWSE

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application install.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  (signed and verified)

MD5:
bf2e9f2b01c89d902f9e5e43bf1a0431

SHA-1:
bfc7c0c4bb1afd4eb96a5141a0ac3876efd9944b

SHA-256:
8eccd3fc66407911aed94360b3bbfa09823b70b1cd44c91d895d346610ed1cb8

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:
4/23/2024 7:21:19 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Bundler (M)
16.1.28.9

File size:
628.9 KB (644,008 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/7/2014 2:00:00 AM

Valid to:
4/8/2015 1:59:59 AM

Subject:
CN=OUTBROWSE, O=OUTBROWSE, STREET=Bialik Number: 143, L=Ramat Gan, S=Israel, PostalCode=5252337, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00A5F03C3A375C11FD6C1C160EE8BFF923

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:RxY0y9kKjAvxSM6VJK6yLFIDHosSuOr9xycqV2rBEXlGvYCXYBsOQ5t2lzi/WMK1:RxM9+vxX6VE6+ODWuQHZqV6BEXVCXdOi

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

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