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winrarsetup.exe

Monarch Downloads

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application winrarsetup.exe by Monarch Downloads 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 Adknowledge Fusion 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:
Monarch Downloads  (signed and verified)

MD5:
3e9d664f00b2bc8d002586a406167a0c

SHA-1:
2806f9b4fcc76aeccb81207bccdd24977d1738aa

SHA-256:
2109496b459f7c3a3a671c5a5a3e45c0612ed7b6a772e2d17e8120806a52adf5

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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:
5/17/2024 4:07:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge (M)
16.7.28.0

File size:
111.8 KB (114,528 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion (using Nullsoft Install System)

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

Digital Signature
Signed by:
Monarch Downloads

Authority:
COMODO CA Limited

Valid from:
3/23/2014 6:00:00 PM

Valid to:
3/24/2015 5:59:59 PM

Subject:
CN=Monarch Downloads, O=Monarch Downloads, STREET="4600 Madison Ave, 10th FL", L=Kansas City, S=Missouri, PostalCode=64112, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6ED4FE307D4F8068EFCDF769A3803C67

File PE Metadata
Compilation timestamp:
5/11/2014 2:04:44 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:d0YBsBE3ain2Q5xq10DZYzIydqyza/Mkqq/uzEfk72:GnBTi2CRDZYzIy7zaUj2ky

Entry address:
0x322E

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 14, C7, 44, 24, 10, D8, A2, 40, 00, 89, 6C, 24, 1C, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, 34, 81, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 58, AF, 47, 00, E8, 9F, 2E, 00, 00, A3, A4, AE, 47, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, B8, 01, 44, 00, FF, 15, 7C, 81, 40, 00, 68, C0, A2, 40, 00, 68, A0, 2E, 47, 00, E8, 0A, 2B, 00, 00, FF, 15, 38, 81, 40, 00, BB, 00, B0, 4C, 00, 50, 53, E8, F8, 2A, 00, 00...
 
[+]

Entropy:
4.7048

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

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

http://secure.oinstaller7.com/.../WinRarSetup.exe

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