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firefox_setup.exe

Secure Installer

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 Secure Installer has been detected as a potentially unwanted program 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 installCore 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:
Secure Installer  (signed and verified)

MD5:
c0daef8cbe40b5dea9211bbcceff1a87

SHA-1:
6d11e830507491b562a3865828f1a7f959a0937e

SHA-256:
3fcd7c14bc6f884b0bc9217954f634fb87403993856b5d07b268745ef10c92c2

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
4/26/2024 7:27:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.15.10

File size:
593.1 KB (607,368 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Secure Installer

Authority:
COMODO CA Limited

Valid from:
9/25/2012 3:00:00 AM

Valid to:
9/26/2013 2:59:59 AM

Subject:
CN=Secure Installer, O=Secure Installer, STREET=720 Market Street, STREET=5th floor, L=San Francisco, S=CA, PostalCode=94102, C=US

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

Serial number:
00C3507C1ADDE6B4C52E5426990F85CA2B

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.7627

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

Code size:
36 KB (36,864 bytes)

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