Avast_Setup.exe

Posabo

AgileMax (Alpha Criteria Ltd.)

The application Avast_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. With this installer, users are expecting to download the free AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
AgileMax (Alpha Criteria Ltd.)  (signed and verified)

Product:
Posabo

Description:
Posabo Setup

MD5:
20324f376ea5ffa382fee3e3d0fa1765

SHA-1:
347e97906697a2952a58a979dae4a44840fd2035

SHA-256:
f2f78736da2d229f55eb0a09a7a1a1aedbf7c5129ed47c4ab2c22e49078c6b64

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 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:
1/13/2025 12:39:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC.Installer (M)
16.5.28.23

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)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\avast_setup.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/16/2015 1:20:27 PM

Valid to:
9/2/2016 12:46:46 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 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:HHLy2vDm5Ees8dZrbPY+h9I4kuyuoTDIRf766vP1:HrHDZeLjbjhC4j3oTcRf766n1

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...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

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

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