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instalacao.exe

Software Updater

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 instalacao.exe 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 files.downloadsfornow.com.
Publisher:
Download Manager  (signed and verified)

Product:
Software Updater

Version:
2.5.0.42

MD5:
f832d5c29668a74ec22bce14d517b073

SHA-1:
61f7ac7618ec6eb21b62c9c2c711b01139431c69

SHA-256:
5eafcb8acd3b5dde11c7be662b3a62b077d10cc19b2b41686c5ceaec31a1f19f

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:
11/5/2024 12:57:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.3.13.23

File size:
1 MB (1,080,448 bytes)

Product version:
2.5.0.42

Copyright:
(c) Download Manager

Original file name:
instalacao.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}\instalacao.exe

Digital Signature
Signed by:
Download Manager

Authority:
VeriSign, Inc.

Valid from:
6/9/2014 9:00:00 PM

Valid to:
7/11/2017 8:59:59 PM

Subject:
CN=Download Manager, O=Download Manager, 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:
6771A39C2739AF7082C1C8D8234BB168

File PE Metadata
Compilation timestamp:
3/2/2015 2:41:07 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:diqr/tl57nqplxTAJaAFJglaKJDnduj2NbL+J8Bt88THX922jxRCs:dhr/zQplp4vgMOndugaeBt88DX4Aj

Entry address:
0x351A50

Entry point:
60, BE, 00, 30, 65, 00, 8D, BE, 00, E0, DA, 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...
 
[+]

Packer / compiler:
UPX 2.90LZMA

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

http://files.downloadsfornow.com/v1.5/click/.../?filename=instalacao

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