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File_Viewer_Lite_Setup_v1.0.5.a0.1_23897_995_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_23897_995_stub.exe by STMSetup has been detected as adware by 12 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 www.fileinfo.com and multiple other hosts.
Publisher:
STMSetup  (signed and verified)

MD5:
76c0a8877d83f5e4dd8afc45a9e59a1a

SHA-1:
3b5dcc1b57b3dc5a802ccaa91192cd863dbf7a69

SHA-256:
8f18fbc6b4370affa506173d817cebf2a183f23bd44a674555125217e8af824c

Scanner detections:
12 / 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:
5/1/2024 12:01:04 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3383

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14814

Dr.Web
Adware.InstallCore.386
9.0.1.05190

Emsisoft Anti-Malware
Application.Downloader
9.0.0.4157

ESET NOD32
Win32/InstallCore.OU potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
8/14/2014

K7 AntiVirus
Trojan
13.180.12701

Norman
InstallCore.CERT
11.20140814

Reason Heuristics
PUP.Installer.STMSetup.n
14.8.14.6

Sophos
Install Core Click run software
4.98

Trend Micro House Call
Suspicious_GEN.F47V0701
7.2.226

VIPRE Antivirus
InstallCore
31226

File size:
733.1 KB (750,672 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_23897_995_stub.exe

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/27/2014 5:00:00 PM

Valid to:
4/28/2015 4:59:59 PM

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:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:KzFaD9zzi784DMIA65dLx1UPUyl/j/cTgzA9iTPhRLtEMkwXgm4Zy/bZph0x:KzFE01DMg5dLx6Pzb/1zAif1lXL4c/bs

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:
7.8414

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_23897_995_stub.exe has been seen being distributed by the following 3 URLs.

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

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

http://cirepo.s3.amazonaws.com/release/Installers/.../FileInfo/File_Viewer_Lite_Setup_v1.0.5.a0.1_23897_995_stub.exe

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