system_firefoxupdateweb.exe

Blueis

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application system_firefoxupdateweb.exe by Blueis has been detected as adware by 24 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. 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:
Blueis  (signed and verified)

MD5:
4018343fce3f6e9ec997cb4f2aa8a0b7

SHA-1:
e57693eea2d4700038c02326fa590aa2f0f87f92

SHA-256:
67b2fb3609aa83839425bcad76de54ead66f619fac85978f95074b012c905006

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
11/16/2024 1:48:43 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.KJ
6554877

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2015.03.23

Avira AntiVirus
ADWARE/Adware.Gen
7.11.30.172

avast!
Win32:DownloadAdmin-H [PUP]
150320-0

AVG
Generic
2016.0.3162

Bitdefender
Application.Bundler.KJ
1.0.20.405

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/21411

Comodo Security
Application.Win32.DownloadAdmin.ANGL
21499

Dr.Web
Trojan.Vittalia.2
9.0.1.081

Emsisoft Anti-Malware
Application.Bundler.KJ
9.0.0.4799

ESET NOD32
Win32/DownloadAdmin.H potentially unwanted application
9.7.0.302.0

F-Prot
W32/S-518b5669
v6.4.7.1.166

F-Secure
Adware:W32/WebInstallBundle
11.2015-22-03_1

G Data
Application.Bundler.KJ
15.3.25

herdProtect (fuzzy)
2015.6.27.20

K7 AntiVirus
Unwanted-Program
13.185.13805

Malwarebytes
PUP.Optional.DownloadAdmin
v2015.03.22.03

MicroWorld eScan
Application.Bundler.KJ
16.0.0.243

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.30.8.659

Reason Heuristics
PUP.Bundler.Tightrope
15.3.22.14

Total Defense
Win32/Tnega.IQCCUAC
37.0.11508

Vba32 AntiVirus
Downloader.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
34232

File size:
823.4 KB (843,128 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\ProgramData\application data\optimizer\program\system_firefoxupdateweb.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/6/2014 7:00:00 PM

Valid to:
11/7/2015 6:59:59 PM

Subject:
CN=Blueis, O=Blueis, L=SAN FRANCISCO, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
58AC2B1B2E1E80F003ECEE0F41F4124A

File PE Metadata
Compilation timestamp:
7/15/2014 12:29:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:zxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SUc:Np9sVuaVdvgVbmgGDijyikg5B

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
7.4910

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file system_firefoxupdateweb.exe has been seen being distributed by the following 3 URLs.

http://files4.securemirror1.com/download/.../dl?bc=1086440&pid=topvideosoft&brand=topvideosoft.com&s=new_source1&c=topdmsg&country=DZ&cb=-597222760&filename=firefox-update.exe&productKey=uzxlh25ouoiupflchwd5pdzafjsoog5l&osName=Windows&osVersion=8&browserName=IE&browserVersion=7&zTmp=1

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