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firefox_setup_21.0_fr.exe

WorldSetup

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_fr.exe by WorldSetup 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 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:
WorldSetup  (signed and verified)

MD5:
1de8df2672d22ee1defcc3a1be3d0fc8

SHA-1:
8ce34000f7cc35c69880d593b4db6a9e69176ca1

SHA-256:
39e7edc6146c483737d059574fc7f111392428c4d3757b84f71b25282c74b47e

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 7:47:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.WorldSet.Installer (M)
16.4.15.15

File size:
636.9 KB (652,200 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\firefox_setup_21.0_fr.exe

Digital Signature
Signed by:
WorldSetup

Authority:
COMODO CA Limited

Valid from:
1/3/2014 1:00:00 AM

Valid to:
1/4/2015 12:59:59 AM

Subject:
CN=WorldSetup, O=WorldSetup, STREET=Lilienblum 28 St., L=Tel-Aviv, S=Tel-Aviv, PostalCode=6513307, C=IL

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

Serial number:
6EEF11096F7B5CDC42244636F32F2208

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:sQFag/0TuKo5+w05DIN0tqCWEP4FGlvxQQhmmBzethhy7:sQFN/0TuBsw05DIN0PWECGl8mhet

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

http://db11031409.caskup.com/.../Firefox_Setup_21.0_fr.exe&name=Firefox&ids=7582&ref=v2.fir.nouve-versione.info&idv=0e8b6bb843617146&idt=inst_80636587531c415ead81d&idtaux= &id=fr_4_hi_jet_v2_web

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