microsoft word.exe

Microsoft Word

Air Software

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 microsoft word.exe by Air Software 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 dl.yesdownloads.com.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Microsoft Word

Version:
2.0.3.98

MD5:
a520e472d6899a24a83ea24d4624796b

SHA-1:
0e48ff6e49877c8c8c0b987c3c6ce6d43ccc8f17

SHA-256:
8e5fd2e7d76534e18e355a8c6d79789f31a17a728a0f0673e31baa5698cc5b25

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:
11/27/2024 1:38:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.7.2.4

File size:
1.1 MB (1,125,288 bytes)

Product version:
2.0.3.98

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
AirInstaller.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/25/2013 12:00:00 AM

Valid to:
3/26/2015 11:59:59 PM

Subject:
CN=Air Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Air Software, 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:
3AC786E09219DF82DA830E461D4FC39F

File PE Metadata
Compilation timestamp:
6/4/2013 5:22:07 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:yTrqpKT1U6LSINS6ejHIlgeXHAmf+FnKVVfRWK9:yacTuPjHIlgeXcIfRD

Entry address:
0x2543B0

Entry point:
60, BE, 00, 60, 54, 00, 8D, BE, 00, B0, EB, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75...
 
[+]

Entropy:
7.7653

Packer / compiler:
UPX 2.90LZMA

Code size:
1.1 MB (1,110,016 bytes)

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

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