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icreinstall_installer_adobe_flash_player_english.exe

STMSetup

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_installer_adobe_flash_player_english.exe by STMSetup has been detected as adware by 13 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 the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
STMSetup  (signed and verified)

MD5:
f7dbadc912e3f503196f420abef10449

SHA-1:
54b3e350e1f7ee8cf84a556882b80211f1fab08d

SHA-256:
74af8d2203073aee08605edaf67dbd929348c0cd95e200ddd0b5d5032669a740

Scanner detections:
13 / 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:
4/26/2024 2:56:54 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.A.1276
7.11.164.60

AVG
Generic
2015.0.3400

Comodo Security
Application.Win32.Installcore.SMT
18997

Dr.Web
Adware.InstallCore.386
9.0.1.05190

ESET NOD32
Win32/InstallCore.OU potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.181.12846

Malwarebytes
PUP.Optional.InstallCore
v2014.07.28.09

NANO AntiVirus
Riskware.Win32.InstallCore.dcwlwo
0.28.2.60990

Norman
InstallCore.CERT
11.20140728

Reason Heuristics
PUP.STMSetup.q
14.7.28.8

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10456

VIPRE Antivirus
Threat.4786018
31208

File size:
762.9 KB (781,200 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_installer_adobe_flash_player_english.exe

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/28/2014 1:00:00 AM

Valid to:
4/29/2015 12:59:59 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:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:QHFa/BuDhvWGxs8xETsCqa3iz/RoaQFs/KzKxhVWky9c8I18qxT4BqO1w5JbRWNG:QHFGhWNaAAiz/SaQFqKzKTWh4Sq1zZzd

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:
7.8889

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

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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