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office installer.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 office installer.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.
Publisher:
Download and Install Ltd  (signed and verified)

MD5:
2a56157d13431c394be04956111d6684

SHA-1:
adcaa9b1cf11a7c3300f50fe0ae3c67cbf281573

SHA-256:
ccb421a094ba5301b5dc5f7baad9338397f8e205f21a22fd5c1d2b618400cb36

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:
4/16/2024 4:01:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.DownloadandInstall (M)
16.1.23.12

File size:
627.5 KB (642,592 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Download and Install Ltd

Authority:
GoDaddy.com, Inc.

Valid from:
9/21/2012 11:33:56 PM

Valid to:
9/14/2014 8:31:22 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:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:W2XyMJfsGn9NGHy8nydSNzidTjBYj0m2nMqzXGe9zRsHN2j2vJ9H6fT:WayMJfsCNiydSSE2Hzr9zy1R9cT

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.7544

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

Code size:
36 KB (36,864 bytes)

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