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installer_microsoft_word_english.exe

Microsoft Word

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 installer_microsoft_word_english.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 www.nawert.com.
Publisher:
Download Assistant  (signed and verified)

Product:
Microsoft Word

Version:
3.0.0.61

MD5:
108862d477a4a07cd56bf7f3a75d4ba3

SHA-1:
f5c3e33e2d45952de1b0c8a474f8481291e9ca63

SHA-256:
d094127a76bc99a2c6c16aede1b520c11b060ca0559be9933627939f65cb7dda

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:
4/24/2024 11:44:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.6.29.8

File size:
784.6 KB (803,392 bytes)

Product version:
3.0.0.61

Copyright:
(c) Download Assistant

Original file name:
installer_microsoft_word_English.exe.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\installer_microsoft_word_english.exe

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

Valid from:
8/12/2014 8:00:00 PM

Valid to:
8/12/2016 7:59:59 PM

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

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6BC405E8AC962C676F54816BCC4D4311

File PE Metadata
Compilation timestamp:
12/22/2014 12:20:01 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:vNlLp1zdnY029Ve01uh1eWT8/0Ngani6aAKQZl3Mu65aSf8Pp43loJpYEUpObRD0:ldcVe01ubfe0Mz8r65643loJpXDNO

Entry address:
0x4CC8F

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 00, 4F, 4A, 00, 00, 74, 05, E9, B1, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.1107

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

http://www.nawert.com/.../download?p=US&concordancia=b&red=s&plataforma=c&anuncio=36108592310&kw=download ms word&ubicacion=&categoria=&random=11027736598394433314&posicion=1t2&gclid=CJzBu5Hb-MICFWFp7Aod0T8AuA&tmuid=e672b7bdc51db9873cdf6dcabee6e9ac

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