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null.exe

Safe Down

This is published and distributed via an Adknowledge's advertising supported (adware) software installer. The application null.exe, “Installer Pack ” by Safe Down 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.
Publisher:
Installer Pack   (signed by Safe Down)

Product:
Installer Pack

Description:
Installer Pack

Version:
2.4.8.1

MD5:
e222cac9520521c7289dd4ef94d6a47e

SHA-1:
4910b57010fe80d92a6cc57e5bf4657fd6d92bdf

SHA-256:
9d54393b55f3c9edc18c594dfb62afc645be9e20f42d3da638865a101935a032

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 is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/24/2024 6:37:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge (M)
17.3.16.12

File size:
78.9 KB (80,752 bytes)

Product version:
2.4.8.1

Copyright:
Copyright (C) Installer Pack

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
Safe Down

Authority:
COMODO CA Limited

Valid from:
3/17/2014 7:00:00 PM

Valid to:
3/18/2015 6:59:59 PM

Subject:
CN=Safe Down, O=Safe Down, STREET="4600 Madison Ave., FL 10", 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:
00FA71459C161D5D538F7612ACFBFBB680

File PE Metadata
Compilation timestamp:
11/10/2014 11:00:20 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x60A1

Entry point:
E8, 42, 05, 00, 00, E9, 36, FD, FF, FF, CC, FF, 25, F4, 71, 40, 00, 6A, 14, 68, 40, A4, 40, 00, E8, B2, 00, 00, 00, FF, 35, 34, D4, 40, 00, 8B, 35, D4, 71, 40, 00, FF, D6, 59, 89, 45, E4, 83, F8, FF, 75, 0C, FF, 75, 08, FF, 15, D0, 71, 40, 00, 59, EB, 67, 6A, 08, E8, A2, 05, 00, 00, 59, 83, 65, FC, 00, FF, 35, 34, D4, 40, 00, FF, D6, 89, 45, E4, FF, 35, 30, D4, 40, 00, FF, D6, 59, 59, 89, 45, E0, 8D, 45, E0, 50, 8D, 45, E4, 50, FF, 75, 08, 8B, 35, BC, 71, 40, 00, FF, D6, 59, 50, E8, 65, 05, 00, 00, 89, 45...
 
[+]

Entropy:
5.8124

Code size:
23.5 KB (24,064 bytes)

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