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icreinstall_firefox_setup.exe

Fast Downloads

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_firefox_setup.exe by Fast Downloads has been detected as adware by 12 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. 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:
Fast Downloads  (signed and verified)

MD5:
6623535aa17f863319405f9aae382727

SHA-1:
b826a9abecbfdead6dfb76421e0d9660cb774c12

SHA-256:
3bfd0e0f218bad689109d46d5c4b9c11ac556d5899b8a46e9c0db2763789d462

Scanner detections:
12 / 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 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:
4/19/2024 4:50:55 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

avast!
Win32:OutBrowse-AR [PUP]
2014.9-151004

Comodo Security
Application.Win32.InstallCore.KAU
20059

Dr.Web
Trojan.Packed.24524
9.0.1.0277

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
9.7.0.302.0

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of picasa_setup.exe (Adware)
2015.10.4.23

K7 AntiVirus
Unwanted-Program
13.185.13980

NANO AntiVirus
Riskware.Win32.InstallCore.dfgmpl
0.28.6.62995

Reason Heuristics
PUP.Adlogica.FastDownloads.Bundler (M)
15.8.18.20

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4786018
34232

File size:
737.3 KB (754,944 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_firefox_setup.exe

Digital Signature
Signed by:
Fast Downloads

Authority:
COMODO CA Limited

Valid from:
8/13/2013 8:00:00 PM

Valid to:
8/14/2014 7:59:59 PM

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:nyMJfsGnP/ZjHUdoq1R5+/pnpVbe1QDWGYhhEN0UhxEwoh63oPpCw6sIk8hYKP7n:nyMJfsiP/BkohpnpViQShERx4h63YjRv

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:
7.8386

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

Code size:
36 KB (36,864 bytes)

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

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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