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firefox_setup.exe

Fast Downloads

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application firefox_setup.exe by Fast Downloads has been detected as adware by 16 anti-malware scanners. The program is a setup application that uses the Adlogica Downloader 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:
Fast Downloads  (signed and verified)

MD5:
1ac904ad389985b98c736de65b727ad6

SHA-1:
59bfdf7210b9add0d5e8d9d8edc26c02aeb96cf3

SHA-256:
3ee96b4d6500cf0edd3c65a0a92a156d900c098756adc7d2ea3fbefa86587ef4

Scanner detections:
16 / 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:
4/25/2024 5:59:49 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.149.178

AVG
Trojan horse Ransomer
2016.0.3238

Clam AntiVirus
Win.Trojan.Installcore-243
0.98/19882

Comodo Security
TrojWare.Win32.Installcore.FST
18274

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.IL potentially unwanted application
7.0.302.0

F-Secure
Win32.Sality.3
5.13.68

IKARUS anti.virus
Trojan-Ransomer
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.185.14098

Malwarebytes
PUP.Optional.InstallCore.A
v2015.01.05.07

Reason Heuristics
PUP.Installer.FastDownloads.N
15.1.5.19

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.15103

Sophos
PUA 'Install Core Click run software'
5.09

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore
29222

Zillya! Antivirus
Trojan.Kryptik.Win32.492870
2.0.0.1789

File size:
721.1 KB (738,368 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Fast Downloads

Authority:
COMODO CA Limited

Valid from:
8/14/2013 2:00:00 AM

Valid to:
8/15/2014 1:59:59 AM

Subject:
CN=Fast Downloads, O=Fast Downloads, STREET=96 Jessie st 4th floor, L=San Francisco, S=CA, PostalCode=94105, C=US

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

Serial number:
00D9726FD3E4B9094351093A3495F1FE97

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:pvpgTexu1VfYqZ9+ZE1KPWrh/eK4XOki4qAPPw7zn1GclZng16OYQVPzQBL3u:pvmTeQ4qZ9+Z7PWQ1c6PPKzn7+/YOrQh

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, 53, C9, FF, FF, E8, 9A, 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.exe has been seen being distributed by the following URL.

http://downloader.ez-download.com/download.php?id=9527e2a6879911e89a89c8977cfd2a9681f77e59B&z=0&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJmciIsIm8iOiJ3aW43IiwiYiI6ImNoMzIiLCJ1X2lkIjoiZXpfNTMxYzQ0ZmM2YWY5NTguNjQzNzkyNjMiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzk0MzYxNTk2LCJrdyI6ImZpcmVmb3giLCJjdSI6ImZpcmVmb3giLCJjYSI6bnVsbH0=

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