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firefox_setup.exe

Download Safely

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefox_setup.exe by Download Safely has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The installer is marketed through download protals and search ads as the free Mozilla Firefox web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Download Safely  (signed and verified)

MD5:
d0323a5615f9805921ce66b265cf7fcc

SHA-1:
027245d8e0ff572e4dfb4324ec73c59f783b0615

SHA-256:
3f4dfb04f3337b582a53e24b844a071e09958e701ad9047bf932519b4ff44fe0

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/25/2024 8:47:07 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.InstallCore
2015.06.03

Avira AntiVirus
PUA/InstallCore.Gen7
8.3.1.6

AVG
Generic
2016.0.3090

Dr.Web
Trojan.InstallCore.10
9.0.1.05190

ESET NOD32
Win32/InstallCore.UE potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.AG.gen
v6.4.7.1.166

K7 AntiVirus
Unwanted-Program
13.204.16119

Malwarebytes
PUP.Optional.InstallCore.A
v2015.06.03.08

NANO AntiVirus
Riskware.Win32.InstallCore.dhpyfv
0.30.24.1636

Reason Heuristics
PUP.Bundler.DownloadSafely
15.6.3.4

Sophos
PUA 'Install Core Click run software'
5.15

Total Defense
Win32/Tnega.KYBYIKC
37.1.62.1

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

VIPRE Antivirus
Threat.4150696
40786

File size:
777.9 KB (796,616 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Download Safely

Authority:
COMODO CA Limited

Valid from:
9/14/2014 8:00:00 PM

Valid to:
9/14/2016 7:59:59 PM

Subject:
CN=Download Safely, O=Download Safely, STREET="1608 S. Ashland Ave #41118", L=Chicago, S=Illinois, PostalCode=60608, C=US

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

Serial number:
394E6887B8284F8BA2BBA9E91784DFB7

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:kIFtpMaIXS+LUeAARtpbka8fkjWdTddBFk6:kS2XS+9A2tBksWjrO6

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8787

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-230-52-236.jfk6.r.cloudfront.net  (54.230.52.236:80)

TCP (HTTP):
Connects to server-54-192-55-147.jfk6.r.cloudfront.net  (54.192.55.147:80)

TCP (HTTP):
Connects to ec2-54-243-153-163.compute-1.amazonaws.com  (54.243.153.163:80)

TCP (HTTP):
Connects to ec2-54-213-173-59.us-west-2.compute.amazonaws.com  (54.213.173.59:80)

TCP (HTTP):
Connects to ec2-52-10-189-255.us-west-2.compute.amazonaws.com  (52.10.189.255:80)

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