installer_0_a_d__english.exe

ISfreemium

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application installer_0_a_d__english.exe by ISfreemium has been detected as adware by 25 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 764d0da5.cdn.takethesoft.com.
Publisher:
ISfreemium  (signed and verified)

MD5:
7da0044a2807adc9a45a1080a2c6b8b5

SHA-1:
8a48eb368913f06feb3827a0744c222380b6d5de

SHA-256:
cdeb14387c41a6bf2fe7e83d89444fec2df4d14ffb1db9b00ab9c151a2d1b797

Scanner detections:
25 / 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:
4/19/2024 7:16:58 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
APPL/InstallCore.dff
7.11.122.10

avast!
Win32:Adware-gen [Adw]
2014.9-140807

Bkav FE
W32.Clod58a.Trojan
1.3.0.4613

Comodo Security
Application.Win32.Installcore.B
17578

Dr.Web
Trojan.Packed.24524
9.0.1.09

ESET NOD32
Win32/InstallCore.CX (variant)
8.9188

Fortinet FortiGate
Riskware/InstallCore
2/21/2014

F-Prot
W32/A-42c63c6c
v6.4.7.1.166

G Data
Win32.Application.InstallCore
14.1.22

K7 AntiVirus
Unwanted-Program
13.174.10623

Malwarebytes
PUP.Optional.Freemium.A
v2014.01.09.07

McAfee
Artemis!B1229B360815
5600.7239

NANO AntiVirus
Riskware.Win32.InstallCore.dcuobo
0.28.2.60990

Panda Antivirus
PUP/MultiToolbar.A
14.08.07.06

Qihoo 360 Security
HEUR/Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.ISfreemium.Y
14.8.7.18

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14107

SUPERAntiSpyware
10855

Trend Micro House Call
TROJ_GEN.F47V1217
7.2.26

Vba32 AntiVirus
3.12.24.3

VIPRE Antivirus
InstallCore
24492

XVirus List
Win32.Detected
2.5.1

File size:
681.8 KB (698,144 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\installer_0_a_d__english.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
7/2/2013 8:00:00 PM

Valid to:
7/3/2014 7:59:59 PM

Subject:
CN=ISfreemium, O=ISfreemium, STREET=63 Rothschild 63 BV, L=Tel-Aviv, S=N/A, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009B517CAF08AA1A85822DB0CE5E9169FE

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:IaQyMJfsGj2TUtL36eClBrNTdod7swsGcR/juS8kLvpFeMwCKgpG0bUQO:IaQyMJfsU2TeL31qBrJddNRLuSPFojox

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:
7.8124

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

Code size:
36 KB (36,864 bytes)

The file installer_0_a_d__english.exe has been seen being distributed by the following URL.

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