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WinRAR.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.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 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 Assistant  (signed and verified)

Product:
WinRAR

Version:
3.0.0.74

MD5:
f5244cc0c784afb3b766008e81771bae

SHA-1:
7b6030f5c1e155372cdc212b6e82f876834d0782

SHA-256:
0e3ea59a95f3ac890944285a409bd75305a7102bb40270a1509169ac175ed0f5

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:
11/27/2024 5:31:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.6.26.20

File size:
788.4 KB (807,288 bytes)

Product version:
3.0.0.74

Copyright:
(c) Download Assistant

Original file name:
WinRAR.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

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

Valid to:
8/12/2016 7:59:59 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:
2/2/2015 2:10:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:HBs6ZFH2p+hY3SJKZUSh8wV1EzoVI5PZm42eB15/RTdE:HC6IvPZUSh8wV1EzoVOZm42I5/Y

Entry address:
0x4D5CF

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, 4F, 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...
 
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The file WinRAR.exe has been seen being distributed by the following URL.

http://www.yaknow.com/Download/.../WinRAR.php

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