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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. 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:
7ca7ae7de6de921e8819c733fb72bafe

SHA-1:
8116f634ef8e367a1b12eb6feda713e836fe5263

SHA-256:
caad35f89afd8f21d8c526f5052316aaa9baa7b0f9cbb87e4ec88ae30307da54

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 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 4:04:05 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCore.ILD
7.11.181.38

avast!
Win32:Malware-gen
141023-1

AVG
Adware InstallCore.A
2014.0.4040

Comodo Security
Application.Win32.InstallCore.ILD
19887

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.IL potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.185.13789

Reason Heuristics
PUP.Installer.FastDownloads.Z
14.10.24.17

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
InstallCore
34218

File size:
722.9 KB (740,296 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Fast Downloads

Authority:
COMODO CA Limited

Valid from:
8/14/2013 4:30:00 AM

Valid to:
8/15/2014 4:29:59 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 2:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:UvpekqANr8NBMM3Flj1ASF7yQDvYcwfmP5399TmnxREGioVlMUz2Rp1yKu:Uv0k0NBMM3vjzvYcwfmP5399TmxeilM1

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...
 
[+]

Entropy:
7.8831

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

Code size:
37 KB (37,888 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)

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