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8885ff37.exe

Firefox

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 8885ff37.exe, “Firefox ” 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files.downloadwizard.com.
Publisher:
Download Manager   (signed by Download Manager)

Product:
Firefox

Description:
Firefox

Version:
2.0.5.0

MD5:
a5edb5d58a1b39560230c5df7618f216

SHA-1:
2899a4b6386d482c3fd3fd68f1739649149a8ed8

SHA-256:
1b364ac2ee602748325103d0fb412c84d233b71393aaea8d170355c6b117a798

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 4:22:57 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadManager.Bundler (M)
16.1.14.18

File size:
842.4 KB (862,632 bytes)

Product version:
2.0.5.0

Copyright:
(c) Download Manager

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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\8885ff37.exe

Digital Signature
Signed by:
Download Manager

Authority:
VeriSign, Inc.

Valid from:
6/7/2013 5:00:00 PM

Valid to:
6/8/2014 4:59:59 PM

Subject:
CN=Download Manager, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Download Manager, L=Vancouver, 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:
428E8B7C1AC548D083F4D3A0C5FDAF4C

File PE Metadata
Compilation timestamp:
3/6/2014 11:15:18 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:M7OkPVpSfAMEbmW3t9oPt2QWfIwV4j8eBhtuKG+YWpafR70fvg92iYttMhmNdvV7:M2AP9a2DIHg+tNG/WpaJ7uvBibqdv/Tp

Entry address:
0x269510

Entry point:
60, BE, 00, 60, 5A, 00, 8D, BE, 00, B0, E5, 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, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8868

Packer / compiler:
UPX 2.90LZMA

Code size:
784 KB (802,816 bytes)

The file 8885ff37.exe has been seen being distributed by the following URL.

http://files.downloadwizard.com/get/click/.../?sid=ppc&uid=45771533&filename=Firefox_Setup

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