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file_viewer_lite_setup_v1.0.1.21313_467_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 file_viewer_lite_setup_v1.0.1.21313_467_stub.exe by STMSetup has been detected as adware by 7 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dnld.ironcustapps.com and multiple other hosts.
Publisher:
STMSetup  (signed and verified)

MD5:
4c339258e8f99acca611c5bf9c0ef64b

SHA-1:
a180c531e096f6339ef62ae6e6b0da2cc772e38a

SHA-256:
a4b5608a685c4f52a6c84eddac9d4272ede67fefaf846d369ad241fd329fc59b

Scanner detections:
7 / 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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/23/2024 8:43:17 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3470

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14519

ESET NOD32
Win32/InstallCore.OY (variant)
8.9816

Reason Heuristics
PUP.Installer.STMSetup.j
14.7.17.9

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
29342

File size:
657.7 KB (673,528 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\file_viewer_lite_setup_v1.0.1.21313_467_stub.exe

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/28/2014 7:00:00 AM

Valid to:
4/29/2015 6:59:59 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 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:MMvpV62JTfac3JkNdnWeQNBcTDHM/RxtljIGNf+9cxEVK:MMvu2Qc3JkNkVBc3HyRj0uEI

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...
 
[+]

Entropy:
7.7894

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

Code size:
37 KB (37,888 bytes)

The file file_viewer_lite_setup_v1.0.1.21313_467_stub.exe has been seen being distributed by the following 2 URLs.

http://dnld.ironcustapps.com/cust/.../File_Viewer_Lite_Setup_v1.0.1.21313_467_stub.exe

http://www.fileinfo.com/.../fvl

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