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undertale setup.exe

Undertale

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application undertale setup.exe by Download Assistant 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 AirInstaller Download Manager installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from everydownload.softwaredelivery19.com.
Publisher:
Download Assistant  (signed and verified)

Product:
Undertale

Version:
3.0.0.155

MD5:
133ba6c91ae67bde785124a19fc97230

SHA-1:
07f9e3131501f5e061f967af1a33abd230893c3c

SHA-256:
a05b38bd29169422a18c777285e463f7d4fa8a6983833bbb2434894338480002

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 '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:
1/13/2025 4:56:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.5.16.17

File size:
1.1 MB (1,143,016 bytes)

Product version:
3.0.0.155

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

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

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
5/2/2016 8:00:00 PM

Valid to:
8/1/2017 7:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
088066A3A015128F544F3E16DC53BCE8

File PE Metadata
Compilation timestamp:
1/30/2013 9:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:OxGnIFrotsnRfUq1jVWL3d7aMqoTC0jRbX5Ndo3EJaky:zIFvRfUqFVWL3dsoTCCndaEJaky

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9696

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://everydownload.softwaredelivery19.com/v2/click/cfab8c37/?d=https://s3.amazonaws.com/latestversion/SteamSetup.exe&sid=Undertale-US&uid=12719362&key=765eb96fad28bff44ee6b1c2de79925bfd98c7f092242a06e7b5ff7d997ec433&affiliate_image=&product_image=http://d1dj2uff8ovnoq.cloudfront.net/wp-content/uploads/2016/04/27214041/product5.png&n=Undertale&filename=Undertale Setup&done_url=http://tundra.site/pages/LM/LM_TYP.html&cancel_url=http://tundra.site/pages/.../MLINT.html

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