firefox setup stub 34.0.5.exe

Software

META., JSC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefox setup stub 34.0.5.exe, “Software Setup ” by META., JSC has been detected as a potentially unwanted program 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:
Download.com.vn  (signed by META., JSC)

Product:
Software

Description:
Software Setup

Version:
1.0.5.a0.1_32943

MD5:
3938e5aa4dc43c494d693f6caef7c9bf

SHA-1:
f06db2376d5d10298516e04ec7f614757451a79a

SHA-256:
d6dfe868fa555812707ec2cc0627b91624190241dd6f1d413df8e5019f4b82e5

Scanner detections:
1 / 68

Status:
Potentially unwanted

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/27/2024 3:32:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.METAJSC.Installer (M)
16.2.13.11

File size:
676.4 KB (692,656 bytes)

Product version:
3.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\programs\firefox setup stub 34.0.5.exe

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
10/20/2014 7:00:00 AM

Valid to:
10/21/2015 6:59:59 AM

Subject:
CN="META., JSC", OU=IT, O="META., JSC", L=Hanoi, S=Hanoi, C=VN

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
60A12ECF13AF336B40EF5E6E0165B355

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:gLQ2aUvYaEGRxTLAgxdsiYDCDBl4ufXkjlWKKo3wN9w5z/AD1Yh/Vs7zUifV:gc2BmGRVLAgjQDYBeoglWKzlx/KqFVtC

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 stub 34.0.5.exe has been seen being distributed by the following URL.

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