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WinRAR Setup.exe

WinRAR

Download Publisher

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 Setup.exe by Download Publisher 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 installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Download Publisher  (signed and verified)

Product:
WinRAR

Version:
3.0.0.59

MD5:
6ea81c4053658c4241cb89676e937941

SHA-1:
3ddeeb8a99d6809a0273e854e6a003e7f0f90f8a

SHA-256:
e52e50eb377ce69ba44a77d691a86a7d3776e5a0591bf4099da01808023f0188

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/15/2024 3:59:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.6.19.2

File size:
782 KB (800,752 bytes)

Product version:
3.0.0.59

Copyright:
(c) Download Publisher

Original file name:
WinRAR Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Publisher

Authority:
VeriSign, Inc.

Valid from:
9/24/2014 5:00:00 PM

Valid to:
9/4/2016 4:59:59 PM

Subject:
CN=Download Publisher, O=Download Publisher, 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:
5ECC09F6F591E0329759887CAC9A3B81

File PE Metadata
Compilation timestamp:
11/26/2014 1:32:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:uX/3Q9p0jL5qO/v+DO240HWP2VJLST1OIL:4n//vH240FLLSv

Entry address:
0x4C95F

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, C0, 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:
7.1118

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

http://software.downtoad.com/v2/click/ligiz166/?d=http://www.downtoad.com/1downloadfiles/winrar.exe&n=WinRAR&key=7ace94c31a8b728febc8004b6b02c6b8c824e209a973c98dcb1d01af0dc7d156&affiliate_image=http://www.downtoad.com/inventory/winrar/.../installicon.png&product_image=http://www.downtoad.com/inventory/winrar/.../installsplash.png&filename=WinRAR Setup&sid=Bing2-USA-WinRAR-winrar---

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