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extension.exe

Download and Install Ltd

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application extension.exe by Download and Install 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. It is also typically executed from the user's temporary directory.
Publisher:
Download and Install Ltd  (signed and verified)

MD5:
b77ff3fc1fdcc27388b431df11d4783e

SHA-1:
552069845ec7b4427354e61b7b25b646ff1a6f58

SHA-256:
61ad8b4805d5c5a9e7c6cbb03448f493c4ab0152cd8876d163e62a84ba732a42

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 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:
4/24/2024 12:34:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.DownloadandInstall (M)
16.1.17.12

File size:
1.5 MB (1,529,064 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Common path:
C:\users\{user}\appdata\local\temp\extension.exe

Digital Signature
Signed by:
Download and Install Ltd

Authority:
GoDaddy.com, Inc.

Valid from:
9/22/2012 1:33:56 AM

Valid to:
9/14/2014 10:31:22 AM

Subject:
CN=Download and Install Ltd, O=Download and Install Ltd, L=London, S=London, C=GB

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
082658FA2A383E

File PE Metadata
Compilation timestamp:
12/7/2011 8:34:40 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
24576:2UX0MGCR4KX7XRsrUq4FNc8BOlps8QnzEOELyXD8grZ7MPfWSt:B0MGCpLXyrUq4Pc8AM8KzEOJTfZQPOA

Entry address:
0x4040

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, E8, B3, 52, 00, 00, C7, 04, 24, 01, 80, 00, 00, E8, 5F, 4F, 00, 00, 56, C7, 04, 24, 00, 00, 00, 00, E8, C2, 52, 00, 00, 53, A3, 50, 5B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 3E, 32, 00, 00, A3, 00, 5C, 42, 00, 8D, 85, 84, FE, FF, FF, 51, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, A4, B2, 40, 00, E8, EC, 51, 00, 00, 83, EC, 14, C7, 44, 24, 04, A5, B2, 40, 00, C7, 04, 24, 30, 5C...
 
[+]

Entropy:
7.9910  (probably packed)

Code size:
33 KB (33,792 bytes)

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