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unity web player setup.exe

Unity

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 unity web player 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:
Unity

Version:
3.0.0.155

MD5:
3f1782fd8dc469811ef955d2e34376df

SHA-1:
65f88379f4158acd6215fddce31eb3c69ea666b4

SHA-256:
ac5f668223d19bae39657fe67f4e48eb7f08f141326226f9c7f6fdfbc2ac9b28

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
1/13/2025 4:28:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.5.18.10

File size:
1.1 MB (1,138,984 bytes)

Product version:
3.0.0.155

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\unity web player 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:mxGsVQtChpx+aElR6Lj38/gNx3u1zp7N5FCzx7BK73bhvFEJakf:r0eopx6lQgC4tCx+VvFEJakf

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:
6.9637

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

The file unity web player setup.exe has been seen being distributed by the following URL.

http://everydownload.softwaredelivery19.com/v2/click/cfab8c37/?d=http://software.every-download.com/UnityWebPlayer.exe&sid=Unity Player-US&uid=12735361&key=21341b80ab443181a370d24881c0fde5e9d0720ba894d38e727e58e92651a524&affiliate_image=&product_image=https://s3.amazonaws.com/evdlimages/unity/product.png&n=Unity&filename=Unity Web Player Setup&done_url=http://tundra.site/pages/LM/LM_TYP.html&cancel_url=http://tundra.site/pages/.../MLINT.html

Remove unity web player setup.exe - Powered by Reason Core Security
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