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word_free_setup.exe

Word Free

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 word_free_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. The file has been seen being downloaded from downloads.downtoad.net.
Publisher:
Download Assistant  (signed and verified)

Product:
Word Free

Version:
3.0.0.109

MD5:
197dd5e34e2fffa943108f513de83186

SHA-1:
4a072f750294b6f2d815824d90a758bac143d692

SHA-256:
19ef530893f36cb5f6365bbb89ab2ca7d287f91ff17396a006f8cbadb31624c6

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:
1/13/2025 9:04:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.4.7.3

File size:
964.3 KB (987,416 bytes)

Product version:
3.0.0.109

Copyright:
(c) Download Assistant

Original file name:
word_free_setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
6/21/2015 1:00:00 AM

Valid to:
6/21/2016 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:
68A4319BC2FC7C8CEA600E8D68FFA326

File PE Metadata
Compilation timestamp:
7/14/2015 7:01:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:gUKZSARoXl/AKYvE5NNlhrjK8u+toMcrgvBK8:gUORoyh853lhqwnccpK8

Entry address:
0x1288

Entry point:
55, 8B, EC, 83, EC, 14, 53, 56, 57, 6A, 00, FF, 15, 08, 20, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 89, 5D, FC, 0F, B7, 73, 14, 83, C6, 18, 03, F3, 2B, 05, 1C, 10, 40, 00, 89, 45, F0, 1B, D2, 89, 75, EC, F7, D8, 89, 55, F4, 83, D2, 00, F7, DA, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 46, 0C, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, C6, FD, FF, FF, 56, FF, 35, 28, 10, 40, 00, 8B, CF, E8, 42, FF, FF, FF, A1, 20, 10, 40, 00, 83, C4, 18, 83, C6, 28, 83, F8, 01, 76, 18, 56, FF, 35, 2C, 10...
 
[+]

Entropy:
7.0479

Developed / compiled with:
Microsoft Visual C++

Code size:
577 KB (590,848 bytes)

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

http://downloads.downtoad.net/v2/click/fd0e7022/?d=http://downtoad.net/.../wordfree.exe&n=Word Free&key=0c17cd9217d4fda70400e2cbf0bba5797d44c1e0728b5597d10e069a1aff1485&affiliate_image=&product_image=http://downtoad.net/.../wordfree.png&sid=uk-wordfree&filename=word_free_setup

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