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firefox_setup.exe

Posabo

AgileMax (Alpha Criteria Ltd.)

The application firefox_setup.exe, “Posabo Setup ” by AgileMax (Alpha Criteria) 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 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:
AgileMax (Alpha Criteria Ltd.)  (signed and verified)

Product:
Posabo

Description:
Posabo Setup

MD5:
96e9c47f52581976c6d463b2b65d12b4

SHA-1:
fa001a321f6cd30fff88991d626d8f8792339aca

SHA-256:
86a7c2a6a4905abc6998eba11c71f79726a6309028cf2b1306de40e8314668ed

Scanner detections:
1 / 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 '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:
12/25/2024 3:32:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.6.29.0

File size:
941.9 KB (964,496 bytes)

Product version:
1.5.1

Copyright:
Fast Wizard

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox_setup.exe

Digital Signature
Signed by:
AgileMax (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 8:20:27 PM

Valid to:
9/2/2016 6:46:46 PM

Subject:
CN=AgileMax (Alpha Criteria Ltd.), O=AgileMax (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121FDBE79F75900E75EC6DA424D0A814FB0

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:sHLy2vDm5Ees8dZrbPY+h9I4kuyuoTDIRf766vP1:srHDZeLjbjhC4j3oTcRf766n1

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:
7.9349

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.towerstoursapplications.com/c?x=57NhtNeN4Ju3g/rrISSIrALi1ApauuD9n9i1/bgI17Q=&c=kzBGLoYFZKoFjIvzZJF5wDjihbc0hhVd3ZzS2Hg2czxUSS0h1lQJtRWUA/.../XYPdTHYmb31SgeHz6H9mEtiqQJ8f3GGm7y&downloadAs=FireFox_Setup.exe

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