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winrarsetup.exe

Application

Top Scale (New Media Holdings Ltd.)

The application winrarsetup.exe, “Application Setup ” by Top Scale (New Media Holdings) 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 installCore 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from cdn.app-down.info.
Publisher:
Installer software   (signed by Top Scale (New Media Holdings Ltd.))

Product:
Application

Description:
Application Setup

MD5:
dddd80a92e9dffd6dfa0c9ef37e2bc04

SHA-1:
d0f83dc7b513607fe868233b69b5500f05fffcb0

SHA-256:
19c619e36bee838551a473f9d9b568e9daa529debbdd2c8c1b9da9376c6feb32

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:
11/5/2024 6:56:02 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH (M)
17.3.8.5

File size:
760.9 KB (779,120 bytes)

Product version:
5.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\winrarsetup.exe

Digital Signature
Signed by:
Top Scale (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
2/11/2015 10:31:05 PM

Valid to:
2/12/2016 10:31:05 PM

Subject:
CN=Top Scale (New Media Holdings Ltd.), O=Top Scale (New Media Holdings Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121FF0C79830A7B12BE4E698038C29DAF9A

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.8843

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

Code size:
39.5 KB (40,448 bytes)

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

http://cdn.app-down.info//c?x=pE6ts2cTrH5/7dkqkv t1Bx 8ErZW6ulLu3GVgqBSNo=&c=vlplhMhWceyScN3bUowm7EFNfo3X 4PlOTJy4oK8XJlin6NAIfKDdtSfxG I/EDXlAiJp5BcM8fqXxUrxKxSl61V9fXSmDwDU4n4lMeE yVdi6ULchNOeWH27Aw tcbV&downloadAs=WinRARSetup.exe&fallback_url=http://allmyapps.com/binary/1410/.../direct-download?token=90c4f1d505d730885cc98010575156fddefdb54b

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