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firefoxupdatesetup.exe

Trusted Software ApS

The application firefoxupdatesetup.exe by Trusted Software ApS 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 BundleInstaller installer. 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. It is also typically executed from the user's temporary directory.
Publisher:
Trusted Software ApS  (signed and verified)

MD5:
dd4dfcb644ef7a5ae33442f081f7058d

SHA-1:
fe618a7a4685e9f51c9d8043942b883ee3c2ca91

SHA-256:
377eca1c1a22791753302ff2fdf368513acba6d844257860fe460367426971a1

Scanner detections:
1 / 68

Status:
Adware

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 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:
5/7/2024 10:03:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.2.7.2

File size:
609.7 KB (624,320 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
BundleInstaller (using Inno Setup)

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

Digital Signature
Signed by:
Trusted Software ApS

Authority:
The USERTRUST Network

Valid from:
11/12/2010 1:00:00 AM

Valid to:
11/12/2013 12:59:59 AM

Subject:
CN=Trusted Software ApS, O=Trusted Software ApS, STREET=Blomsterhaven 42, L=Holbaek, S=n/a, PostalCode=4300, C=DK

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
1DA7007608C324C640CE3FBCC9418735

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

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:
7.8396

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

Code size:
36 KB (36,864 bytes)

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