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videodownloader_setup_v2.0.15.21934_212_stub.exe

STMSetup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application videodownloader_setup_v2.0.15.21934_212_stub.exe by STMSetup has been detected as adware by 17 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 cdn.download-video-free.com and multiple other hosts.
Publisher:
STMSetup  (signed and verified)

MD5:
4d18280d3a542d3a49b0070b64efd056

SHA-1:
1ea001570f50c0bc6d9dae0d7ac7663f7e92be3e

Scanner detections:
17 / 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:
11/5/2024 1:33:53 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.OU.1
7.11.168.26

AVG
Generic
2015.0.3376

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14821

Dr.Web
Adware.InstallCore.386
9.0.1.0233

ESET NOD32
Win32/InstallCore.OU (variant)
8.10281

Fortinet FortiGate
Riskware/InstallCore
8/21/2014

K7 AntiVirus
Trojan
13.183.13098

Malwarebytes
PUP.Optional.InstallCore.A
v2014.08.21.05

McAfee
Artemis!4D18280D3A54
5600.7032

Norman
InstallCore.CERT
11.20140821

Qihoo 360 Security
Win32/Virus.Adware.d34
1.0.0.1015

Reason Heuristics
PUP.Installer.STMSetup.j
14.8.21.5

Rising Antivirus
PE:Trojan.Win32.Generic.17071F1A!386342682
23.00.65.14819

Sophos
Install Core Click run software
4.98

Trend Micro House Call
Suspicious_GEN.F47V0622
7.2.233

VIPRE Antivirus
Trojan.Win32.Generic
32360

File size:
675.4 KB (691,568 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/28/2014 3:00:00 AM

Valid to:
4/29/2015 2:59:59 AM

Subject:
CN=STMSetup, O=STMSetup, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

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

Serial number:
4CC8AF2C057FC32A3FA7F44EAADD7EEA

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:VtvpDIyr4MelZ//c8axbJBioW0TuBxXtEIYEx/xyBk5bLZM8Qpi:VtvtIUS50vbJobBjksI25bCVM

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file videodownloader_setup_v2.0.15.21934_212_stub.exe has been seen being distributed by the following 5 URLs.

http://cdn.download-video-free.com/.../setup.exe

http://lp.free-download-videos.com/.../setup.exe

http://cirepo.s3.amazonaws.com/release/Installers/.../VideoDownloader/VideoDownloader_Setup_v2.0.15.21934_212_stub.exe

http://lp.downloads-videos-free.com/.../setup.exe

http://lp.downloads-video-free.com/.../setup.exe

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