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firefoxsetup.exe

Software Installer

Generic

The application firefoxsetup.exe, “Software Installer Setup ” has been detected as a potentially unwanted program by 13 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. 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:
Generic

Product:
Software Installer

Description:
Software Installer Setup

MD5:
c5a31aa554b9f1c8220487f86117c09d

SHA-1:
c478c8f33b56db1621042a6689234f1f1e98eb57

SHA-256:
b08f9976bcebf7a9d498f60ad4610b8ab2f4cc4a888b143ed931978d611d0102

Scanner detections:
13 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
5/4/2024 11:58:23 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Badur
7.1.1

avast!
Trojan-gen
2014.9-150418

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15515

Dr.Web
Trojan.InstallCore.592
9.0.1.0135

ESET NOD32
Win32/InstallCore.ZC potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
5/15/2015

herdProtect (fuzzy)
variant of fileopenersetup.exe
2015.7.20.13

NANO AntiVirus
Riskware.Win32.InstallCore.drfvse
0.30.24.1357

Qihoo 360 Security
HEUR/QVM06.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Bundler.InstallCore
15.5.15.9

Trend Micro House Call
Suspicious_GEN.F47V0418
7.2.135

VIPRE Antivirus
Threat.5084491
39486

Zillya! Antivirus
Trojan.Badur.Win32.29506
2.0.0.2162

File size:
780.6 KB (799,374 bytes)

Product version:
4.1

Copyright:
Program

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\firefoxsetup.exe

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:MRokbTAhxneV9eUmwndCnQ3ueGg23n6u6M6DEbMZriK:MG+ExeV9dmwGeGggb66bMZriK

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.8875

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

Code size:
39.5 KB (40,448 bytes)

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

http://upsnew.info/?dl=1&pi=Ajg4NzcROTCdOM==&osos=VdluDrW3cw==&gclid=CK-wmp_sgMUCFZSCfgodXWEADA&dr=cHaWck1mIXvlDmW4vExthXN3DKV0OSDzcj1zcmAmIT1zvm2yIKiWvmREhKVuvmNjhVVTvmNBDz1l QDjhTnmDZ0wvmNpDZ1fOTaFNTgRAZcyvm5EIKiWXzCyATC4NTA3AT7R&pd=IKFz2r5B rDpcEN0UmNJ i==&campaignId=9jn0AjCzOTadAZMq

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