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setup.exe

WPS Office-2016

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 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 the user's temporary directory. The file has been seen being downloaded from downloads.downloadme.co.
Publisher:
Download Assistant  (signed and verified)

Product:
WPS Office-2016

Version:
3.0.0.155

MD5:
f594ae4119f0d8b22a70761967f646c0

SHA-1:
4802d274ed5934eacb4bbe43f2e3a21bc190f247

SHA-256:
2523e7540c1a6768624cd1eb2e77cd4d4c3c115a752fdebef0d76063a556018e

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 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:
5/12/2024 8:32:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.5.14.10

File size:
1.1 MB (1,140,672 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\temp\{random}.tmp\c41ccedi\setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
5/3/2016 1:00:00 AM

Valid to:
8/2/2017 12:59:59 AM

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 2:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:5xGfdEh5vXdU1xEXQ8J1NkeQvnEcXmGpmtvjgiXJbh53wEJak7:SSLVUBq1aeQvNXmGA+ibNwEJak7

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:
6.9659

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://downloads.downloadme.co/v2/click/eff8ba75 /?affiliate_image=&d=http://kdl1.cache.wps.com/ksodl/.../windows/setup_wps_office_2016.exe&filename=WPS_Office_2016_setup&key=a5ccccfb05477a6ab2bd00152ce9fb0227429c264597cf126bdf51ceed8ca4a4&n=WPS Office-2016&product_image=http://downloadme.co/.../wps-office-logo.png&sid=free-word-alternative&uao=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgNi4zOyBXT1c2NCkgQXBwbGVXZWJLaXQvNTM3LjM2IChLSFRNTCwgbGlrZSBHZWNrbykgQ2hyb21lLzUwLjAuMjY2MS4xMDIgU2FmYXJpLzUzNy4zNg__&scid=0d0a0d56-192f-11e6-bb2f-0401ac007701

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