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icreinstall_teamviewer_setup_inst.exe

Well Known Media Ltd

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_teamviewer_setup_inst.exe by Well Known Media has been detected as a potentially unwanted program 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. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Well Known Media Ltd  (signed and verified)

MD5:
88c708f184d6be3f82e729405f90c780

SHA-1:
5e75d5d9e84bd7d2515df9c95ae494400102e23f

SHA-256:
4917e683750bfc2738edabd493a120edef05d319dee88b8a00aa7e1bf8435f6f

Scanner detections:
12 / 68

Status:
Potentially unwanted

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:
4/19/2024 9:53:40 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.193.198

AVG
Generic
2016.0.3154

Comodo Security
Application.Win32.InstallCore.GATT
20315

Dr.Web
Trojan.InstallCore.2
9.0.1.090

ESET NOD32
Win32/InstallCore.QW potentially unwanted application
9.7.0.302.0

herdProtect (fuzzy)
variant of paint.net.4.0.4.install_inst.exe
2015.7.4.23

K7 AntiVirus
Unwanted-Program
13.186.14280

NANO AntiVirus
Riskware.Win32.InstallCore.djocrw
0.28.6.63850

Reason Heuristics
PUP.Bundler.WellKnownMedia
15.3.31.1

Sophos
PUA 'Install Core Click run software'
59

VIPRE Antivirus
Threat.4786018
35418

File size:
779.3 KB (798,040 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Well Known Media Ltd

Authority:
COMODO CA Limited

Valid from:
8/20/2014 3:00:00 AM

Valid to:
8/21/2015 2:59:59 AM

Subject:
CN=Well Known Media Ltd, O=Well Known Media Ltd, STREET=Kissack Court, STREET=29 Parliament Street, L=Ramsey, S=Isle of Man, PostalCode=IM8 1JA, C=IM

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

Serial number:
73CC925BC7B1EAFC96D9C9F2EAA55030

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):
12288:66SpDW+OU1StANn98qEz7jgFLB1KPTHSbfkTDyQ0LExaTbBTb:66SdW+OUvn9XEH8Ff48s33yRb

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:
7.8327

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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