wordinstaller.exe

Download Manager

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 wordinstaller.exe, “Product Installer” by Download Manager 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.download-free.com.
Publisher:
Setup  (signed by Download Manager)

Product:
Setup

Description:
Product Installer

Version:
1.0.0.0010

MD5:
4450d70c788d80832f495e7500f808bd

SHA-1:
7ac50b857053bbb02da9431e00b1407e8ff842ad

SHA-256:
69e5e94c15069ce07ecbb38cf1d844ec02d55af2848331e9e62a5f41454bdd76

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:
1/14/2025 2:48:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadManager.Bundler (M)
16.3.2.12

File size:
679.5 KB (695,792 bytes)

Product version:
1.0.0

Copyright:
Copyright © 2012

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
5/30/2012 5:00:00 PM

Valid to:
5/31/2016 4:59:59 PM

Subject:
CN=Download Manager, O=Download Manager, STREET=26 York Street, STREET=Westminster, L=London, S=London, PostalCode=W1U 6PZ, C=GB

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
19777BC7489D8203801D05ACE10DBEAC

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:GOYUBPtxb5FCd6lyEcyjJfZpoLooeppu4CccRq1a6wnlNDOPOUHZAmBgDw2Q9IlX:LLtRttZpmohXfcY1a6wlMWUHSsuw2GUz

Entry address:
0x8000

Entry point:
55, 8B, EC, 83, C4, F0, B8, 98, 7F, 40, 00, E8, D4, C3, FF, FF, E8, 33, FC, FF, FF, E8, A2, B3, FF, FF, 8B, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.9602

Developed / compiled with:
Microsoft Visual C++

Code size:
28.5 KB (29,184 bytes)

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

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