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firefox_setup_21.0.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_21.0.exe by Secure Installer has been detected as a potentially unwanted program by 8 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:
Secure Installer  (signed and verified)

MD5:
4dce0fa593c33444ab143f5b0b4c506f

SHA-1:
0db5c2a4dd12d41833be9794155b5deb84921762

SHA-256:
8ad6d55d167314eeca58596683139b7918dd6a314a33662c9d1b1b248f3675be

Scanner detections:
8 / 68

Status:
Potentially unwanted

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:
4/24/2024 2:11:26 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:PUP-gen [PUP]
160215-2

Dr.Web
Trojan.Crossrider1.49350
9.0.1.05190

ESET NOD32
Win32/InstallCore.BL potentially unwanted application
8.0.319.0

F-Prot
W32/InstallCore.R.gen
4.6.5.141

Norman
Adware.DealPly.J
29.02.2016 05:46:54

Reason Heuristics
PUP.installCore.SecureIn.Installer (M)
16.3.21.11

Sophos
PUA 'Install Core'
5.23

VIPRE Antivirus
Threat.4150696
29708

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_21.0.exe

Digital Signature
Signed by:
Secure Installer

Authority:
COMODO CA Limited

Valid from:
9/25/2012 12:00:00 AM

Valid to:
9/25/2013 11:59:59 PM

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:
6/19/1992 4:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:fHyMJfs8dPOrwVJfGGhp8QTxFmyJd5jiOVBv23G2a4aezG:vyMJfskWruJfFp9ay75zO3G2a4bC

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:
7.7619

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

Code size:
36 KB (36,864 bytes)

The file firefox_setup_21.0.exe has been seen being distributed by the following URL.

http://downloader.ez-download.com/download.php?id=9527e2a6879911e89a89c8977cfd2a9681f77e59B&z=0&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJpbiIsIm8iOiJ3aW44IiwiYiI6ImNoMjciLCJ1X2lkIjoiZXpfNTFiZDM4YWVhYjI5YzEuNDc0MTU0NDgiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDYtMDAwMCIsInRzIjoxMzcxMzU1MzEwLCJrdyI6Im1vemlsbGEiLCJjdSI6ImZpcmVmb3giLCJjYSI6bnVsbH0=

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