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icreinstall_firefox_setup.exe

Soft Application Generic

Download Jet

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, “Soft Application Generic Setup ” by Download Jet 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. 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:
Generic   (signed by Download Jet)

Product:
Soft Application Generic

Description:
Soft Application Generic Setup

MD5:
dfabb9c2bcf4a1e4943aa664cd3b32aa

SHA-1:
b171eb7dd1dd452e72078ce40107d8bb8b0d9893

SHA-256:
377344cd703cef01ad9ea54bfe4927c9f914a8fed28edd9089456e98a810249a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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:
11/15/2024 9:51:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.DownloadJet.Installer (M)
16.2.14.11

File size:
1021.6 KB (1,046,080 bytes)

Product version:
3.2

Copyright:
Program

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:
Download Jet

Authority:
COMODO CA Limited

Valid from:
1/14/2015 4:00:00 PM

Valid to:
1/14/2017 3:59:59 PM

Subject:
CN=Download Jet, O=Download Jet, STREET="500 Westover Drive #6502", L=Sanford, S=NC, PostalCode=27330, C=US

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

Serial number:
71A3B4CEFFECF361AB11477318001135

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:PuWFODf2OyrsQPb5jebGBxySn1Y6PmC1snxn/DmUq9wndgg:Pu5D+OyrsQPbpMr6Ryx/KwndB

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:
7.9243

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

Code size:
37 KB (37,888 bytes)

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

http://www.cleannewquick.com/c?x=WPhF2H6gLAdoothE6Qnk8LpN4jdokA3YLN6oibH0M4I=&c=ulG7gLpuXvDDN/vzo5MfMdqUHOzdeQ8WvW1y6Uo Ujlgc2nWiz osC8ZM2k SXjqaO ht98ODLdaXox dhLmjcU/c3A3g9Zl9Thki/Q9E9hNH7v3nn/rJos6kSa5YuGjEyKLQv/v1dHnvZvkLUs/Yg==&downloadAs=Firefox_Setup.exe&fallback_url=http://download-installer.cdn.mozilla.net/pub/firefox/releases/38.0.5/win32/.../Firefox Setup Stub 38.0.5.exe

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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