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winrarsetup.exe

Web

App Software

The application winrarsetup.exe, “Web Setup ” has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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:
App Software

Product:
Web

Description:
Web Setup

Version:
4.1.1.4

MD5:
c3552f14a770eb664b0738b6503a004d

SHA-1:
d9baeb8e7451f29562c864dcf855215f7b47b356

SHA-256:
22dd29c43e618c7a0a742069a995de45de2a690eb0511e89f196aa9f60daabc0

Scanner detections:
5 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/26/2024 9:20:07 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Malware-gen
150414-0

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1564

ESET NOD32
Win32/InstallCore.ZD potentially unwanted application
7.0.302.0

Reason Heuristics
PUP.Bundler.InstallCore
15.6.4.7

Trend Micro House Call
Suspicious_GEN.F47V0518
7.2.155

File size:
683.9 KB (700,307 bytes)

Product version:
4.4

Copyright:
Application

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:GmLEpfKyUfndtrJqqJ5uodUXsIrSwHCsMwhWbZG9DENx3b3FOUqF9fj/DME8n0NS:GmLElKrndtsqJ1UewH5ZwWDENhTFuzMR

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8808

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://videoconverterexclusive.com/?dl=1&pi=Ajc1NTa4ATLFNM==&osos=VdluDrW3cw==&dr=cHaWck13IKFy7Xam2r0Wc32lDXiyvENyhKvEvmCWcyDEcmlChSDBDz1l QDj7z1VLyDj rcWDK4m7z0RvmiWAkDjIKiWXzC0OT7dOTMFASDPDdlChV8wNZMFAzc3AZaz&pd=2323Um5wcHAtDdV0UmNJ i==&campaignId=9jn0AzMFAjM4AZMq

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