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file_viewer_lite_setup_v1.0.5.a0.1__166_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_v1.0.5.a0.1__166_stub.exe by STMSetup has been detected as adware by 10 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 cirepo.s3.amazonaws.com and multiple other hosts.
Publisher:
STMSetup  (signed and verified)

MD5:
839f5d9923d336e9169a0a44cac9e7a5

SHA-1:
78c12df1f1357b611fa0320cdc56e5e2f709fd0c

SHA-256:
6baa6a40bc2824e0e77794ccaa37311f271850ea573a683693ce997400c483e1

Scanner detections:
10 / 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 7:18:50 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3460

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14529

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0149

ESET NOD32
Win32/InstallCore.OL (variant)
8.9848

Fortinet FortiGate
Riskware/InstallCore
5/29/2014

K7 AntiVirus
Unwanted-Program
13.178.12184

Reason Heuristics
PUP.Installer.STMSetup.i
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
29618

File size:
651.6 KB (667,216 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\file_viewer_lite_setup_v1.0.5.a0.1__166_stub.exe

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/28/2014 2:00:00 AM

Valid to:
4/29/2015 1:59:59 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 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:+3FaDKJpHey4W+X76tsLddtEz1VyIwpY9u8/EZWO5Meb:+3FrJpHd4ZmGZLE1V5wpZfb

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, BF, A9, FF, FF, E8, 5E, 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:
7.7982

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

Code size:
37 KB (37,888 bytes)

The file file_viewer_lite_setup_v1.0.5.a0.1__166_stub.exe has been seen being distributed by the following 3 URLs.

http://cirepo.s3.amazonaws.com/release/Installers/.../FileInfo/File_Viewer_Lite_Setup_v1.0.5.a0.1__166_stub.exe

http://windowsfileviewer.com/.../fvl

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

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