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winrar_installer.exe

Winrar

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 winrar_installer.exe, “Winrar ” by Download Assistant has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Download Assistant   (signed by Download Assistant)

Product:
Winrar

Description:
Winrar

Version:
3.0.0.50

MD5:
5e6d6fe223801a386dd309582029ad7d

SHA-1:
108b29fd48bfaa56fd0631066cb2503b15e03bd7

SHA-256:
b30a9c93fc84fff7dc5728ce774ca1b9f0d40ae512103ce1c93b5f13a3354835

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
5/4/2024 12:52:02 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.FX
803

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
Win32:Adware-gen [Adw]
2014.9-141123

AVG
Generic
2015.0.3290

Bitdefender
Application.Bundler.FX
1.0.20.1635

Dr.Web
Trojan.Vittalia.3
9.0.1.0327

ESET NOD32
Win32/DownloadAssistant (variant)
8.10725

F-Secure
Application.Bundler.FX
11.2014-23-11_1

G Data
Win32.Application.DownloadAssistant
14.11.24

IKARUS anti.virus
PUA.DownloadAssistant
t3scan.1.8.3.0

K7 AntiVirus
Unwanted-Program
13.185.13965

Malwarebytes
PUP.Optional.DownloadAssistant
v2014.11.14.12

Reason Heuristics
PUP.Installer.DownloadAssistant.Q
14.11.14.12

VIPRE Antivirus
Threat.4782985
34232

File size:
832.8 KB (852,832 bytes)

Product version:
3.0.0.50

Copyright:
(c) Download Assistant

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\winrar_installer.exe

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

Valid from:
8/12/2014 6:00:00 PM

Valid to:
8/12/2016 5:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, 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:
6BC405E8AC962C676F54816BCC4D4311

File PE Metadata
Compilation timestamp:
11/13/2014 3:37:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:2/rul5hXVmgSsJWO7GICErUBn3/U3BJALLCLuMJXBrQc94io9YQiI1XPOHmcWDtf:iroHJWOqpTnk4W5Xz4pbTPOHVWDtf

Entry address:
0x4C6FF

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 40, 3E, 4A, 00, 00, 74, 05, E9, B1, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.0733

Code size:
466.5 KB (477,696 bytes)

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

http://download.dwnload.org/v2/click/ftucuo66/?d=http://dwnload.org/.../winrar.exe&n=Winrar&key=c75f31a534e48a120550ed5ef33ec605eb3da541734d976f971bbf88e3f72bad&affiliate_image=&product_image=http://dwnload.org/.../winrar.png&sid=GUS2-winrar&filename=Winrar_Installer

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