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7-zip setup.exe

Installer

Darwen Marketing Inc.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application 7-zip setup.exe, “Installer Setup ” by Darwen Marketing 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 file has been seen being downloaded from cdn.wholefolderboard.com and multiple other hosts.
Publisher:
Installer App   (signed by Darwen Marketing Inc.)

Product:
Installer

Description:
Installer Setup

MD5:
195d54beeca90c90cb5893e5fa8c8b0a

SHA-1:
6900b652b14c1d3c91547c4f9e1f3b25b3d5897d

SHA-256:
302742e462bac1a84c0e4e6b3c295a4bfa037fa1046713bfca25be58aa1f945b

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:
12/26/2024 9:36:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.DarwenMa.Installer (M)
16.4.3.21

File size:
673 KB (689,120 bytes)

Product version:
1.8.6

Copyright:
Internet

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\7-zip setup.exe

Digital Signature
Signed by:
Darwen Marketing Inc.

Authority:
thawte, Inc.

Valid from:
2/15/2015 4:00:00 PM

Valid to:
2/16/2016 3:59:59 PM

Subject:
CN=Darwen Marketing Inc., OU=IT, O=Darwen Marketing Inc., L=Victoria, S=British Columbia, C=CA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
64F49DD6174034B68EBCA526431D26A7

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:Y7JpzIhci0lBmATbqR1thLaHiP/UG9IiAOo5mMZ8H5H4m/A6oh18t/:Y7JdIp0pTbq/ru6/f9eXSZH4Gm2/

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:
7.8886

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

Code size:
37 KB (37,888 bytes)

The file 7-zip setup.exe has been seen being distributed by the following 2 URLs.

http://cdn.wholefolderboard.com/c?x=OBR1Smz2UklbHCNVhEqZScAtdHCr8vll87hjDVxf/fc=&c=eNBS7U6T0WKPueFDU9zHfKbkExDSKjRlYVKuVlY2RgFZU/yyQRv2irkaU6PnIWSd6O gkF3t5os3RZzhTtoc A==&downloadAs=7-Zip Setup.exe&fallback_url=http://.../download.php

http://cdn.vippackagehub.com/c?x= uSJFioqGbyfXqFuSKXMCObf3P0Vza4WgIrpYp1zJ8I=&c=VK1yWu3R4dLsdYTGV3Bm5fbeMt0NDtys94UY2mUrI8R3Q0rGXNiiMp90sF12XOBgYP/00aH xQrJYh4zOHsIig==&downloadAs=7-Zip Setup.exe&fallback_url=http://.../download.php

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