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firefox.exe

JusT ACCePT

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application firefox.exe by JusT ACCePT 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. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
OGEVQ  (signed by JusT ACCePT)

Product:
OGEVQ

Version:
2307.1565.912.4326

MD5:
8fb8c17a5f9dbc326b7c53f5e4a606f2

SHA-1:
6b10df6b0512582ce58bd930194c34a8ff83d59e

SHA-256:
2d516f09f2ce52340096e06beee2c69d2ec23a00275aad603e2408ce7ab16004

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:
11/27/2024 4:22:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.JusTACCePT.Bundler (M)
16.2.8.2

File size:
658 KB (673,792 bytes)

Product version:
2307.1565.912.4326

Copyright:
OGEVQ

Trademarks:
OGEVQ

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox.exe

Digital Signature
Signed by:
JusT ACCePT

Authority:
thawte, Inc.

Valid from:
6/4/2015 1:00:00 AM

Valid to:
12/17/2015 11:59:59 PM

Subject:
CN=JusT ACCePT, O=JusT ACCePT, L=Dublin, S=Dublin, C=IE

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

Serial number:
04D14114BEF26137F598757CF201E43F

File PE Metadata
Compilation timestamp:
12/5/2009 10:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:rkkuq95wMsa2N4HbPka1WuODKh4GkvWQDIyFQsAOCDnOR+mfc8vy4hh:ok395MadHrZWuAKRAI2Qs/h086c

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:
7.9547

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.down1227group.info/1433502359/1433502359/get27?p=1955&d=1782&l=1701&n=1&productname=Firefox&d1=190080&d2=3612&exeurl=https://download-installer.cdn.mozilla.net/pub/firefox/releases/33.0/win32/en-US/Firefox Setup Stub 33.0.exe&filename=Firefox&dynamicname=Firefox&tyurl=http://www.postdownload.net/.../redirect.php?id=5hect2su8030285ddm99vlpv9nbg7rskhj9ivhp9e6fqokm9giu0-c01afaf8a03537653763bde584acd3a4&d=open-download.com&p=Firefox&pid=3&icon=14

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