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malwarebytes.exe

MalwareBytes

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 malwarebytes.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 downloads.downlload.net.
Publisher:
Download Assistant  (signed and verified)

Product:
MalwareBytes

Version:
3.0.0.105

MD5:
a338b5dff91ba34b302479c039f234ae

SHA-1:
b47ef948c0d944fc7b1d8c85ff0cbce8ab6f1786

SHA-256:
7f5053915df9685a8a86426b5d099ff39dd9a56c06e65cb2406265be345e242e

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:
12/25/2024 1:57:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
16.1.31.17

File size:
1.1 MB (1,103,928 bytes)

Product version:
3.0.0.105

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\malwarebytes.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
6/10/2015 7:00:00 PM

Valid to:
6/10/2016 6:59:59 PM

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

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
04A0CF6AE167D0090DFCD45981346775

File PE Metadata
Compilation timestamp:
1/30/2013 8:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:bxGHMyVZ4uUd+sxPEyu8pADqi/eq1crQrqDKaFw08tycyd3+9:UsU4uH4PDRab/eGmKaFSynV+9

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9486

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://downloads.downlload.net/v2/click/80af325a/?d=http://downlload.net/.../malwarebytes.exe&n=MalwareBytes&key=51c336c3e70b1b4a3aada7c877413cbe2db0a6db9222ca97e15aee67b3c0b08e&affiliate_image=&product_image=http://downlload.net/.../malwarebytes.png&sid=malwarebytes&filename=malwarebytes

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