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installer_microsoft_excel_spanish.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_microsoft_excel_spanish.exe by Free Software has been detected as adware by 18 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 programasplus.com.
Publisher:
Free Software LLC  (signed and verified)

MD5:
4e660531611824b6b34d41b5bfd835e2

SHA-1:
547237ee7f31ca1f7d59ed06e0cc5ea83911cb53

SHA-256:
c720e73bc7e08135edeb6ae3e0701c90e4c88eb482917d4fd087ddcf282c60bd

Scanner detections:
18 / 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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/27/2024 2:40:34 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
PUA/InstallCore.Gen9
3.6.1.96

AVG
Generic
2016.0.3129

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.Installcore.SMT
21879

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/InstallCore.PQ potentially unwanted (variant)
9.11528

Fortinet FortiGate
Riskware/InstallCore
4/24/2015

K7 AntiVirus
Unwanted-Program
13.203.15703

Malwarebytes
PUP.Optional.InstallCore
v2015.04.24.06

McAfee
Trojan.Adware-DomaIQ
16.8.708.2

NANO AntiVirus
Riskware.Win32.InstallCore.dcwlwo
0.30.20.1219

Norman
InstallCore.CERT
11.20150424

Qihoo 360 Security
Win32/Virus.Adware.f33
1.0.0.1015

Reason Heuristics
Threat.Installer.FreeSoftware
15.4.24.13

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.3

VIPRE Antivirus
Threat.4150696
39354

File size:
880.1 KB (901,176 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

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

Digital Signature
Signed by:
Free Software LLC

Authority:
GoDaddy.com, Inc.

Valid from:
7/22/2014 1:23:49 PM

Valid to:
7/22/2015 1:23:49 PM

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

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:
2B1596610E9573

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:1K23XP0+nTIIeSl1awNqTSyHA1+/WNJTvY:U23dTVeSlDhyHAgkVY

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installer_microsoft_excel_spanish.exe has been seen being distributed by the following URL.

http://programasplus.com/.../download?p=ES&concordancia=b&red=g&plataforma=c&anuncio=35695330839&kw=microsoft excel&ubicacion=&categoria=&random=3648754214770148948&posicion=1o1&gclid=CjwKEAjwgMieBRCB3bqB94e9lD4SJABW3sTNV1db8TKk0kx-pCaq2CbQm6OE6_60zgJ1HDMbGGW2IBoCL_bw_wcB&tmuid=1f9d54ed6813c4fe3544585183791321

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