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installer_avg_anti-virus_free_edition_english.exe

Free Software LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application installer_avg_anti-virus_free_edition_english.exe by Free Software has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from domseo.com.edgesuite.net.
Publisher:
Free Software LLC  (signed and verified)

MD5:
4b224dd2ca4bec6176e3081362c51ba9

SHA-1:
c429691dbe0a3e5551ea183b3c73363af32502e8

SHA-256:
a5090f197e6a6cf29c5ba4c8af0773bf4ecc0e398ba6d692679eb34722f6e57d

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/25/2024 1:10:41 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3390

ESET NOD32
Win32/InstallCore.PU (variant)
8.10216

Malwarebytes
PUP.Optional.Downloader
v2014.08.07.12

McAfee
Adware-DomaIQ
5600.7046

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

VIPRE Antivirus
Threat.4783262
31208

File size:
885.1 KB (906,392 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\installer_avg_anti-virus_free_edition_english.exe

Digital Signature
Signed by:
Free Software LLC

Authority:
Starfield Technologies, Inc.

Valid from:
8/1/2014 6:08:01 AM

Valid to:
7/22/2015 7:23:49 AM

Subject:
CN=Free Software LLC, O=Free Software LLC, L=Wilmington, S=Delaware, C=US

Issuer:
SERIALNUMBER=10688435, CN=Starfield Secure Certification Authority, OU=http://certificates.starfieldtech.com/repository, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
27DD6AADCC34E6

File PE Metadata
Compilation timestamp:
12/5/2009 5:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:pzctQ4xDqUOgPiNGPEDCE8h27Rp/bkHRg8dSOZ1+/WNJTv0:SxDqUOgP0xXk21p/bkSsgkV0

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9896

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installer_avg_anti-virus_free_edition_english.exe has been seen being distributed by the following URL.

http://domseo.com.edgesuite.net/installers/out/008050080600807/piid-01234567899874563210012345678912/ok/oksem/english/seo/chrome/avg_anti_virus_free_edition/d/782198027fc5094c479d3ef9a43b22b5/ici/.../na/installer_avg_anti-virus_free_edition_English.exe

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