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icreinstall_softwareupdatesetup.exe

Trusted Software Aps

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_softwareupdatesetup.exe by Trusted Software Aps has been detected as adware by 6 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. The file has been seen being downloaded from dl01us.file.org and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Trusted Software Aps  (signed and verified)

MD5:
7238258a218b2eff485c02966c2a9d2c

SHA-1:
a04342f6d1c26f1a4526978c3c82876c2e8f7026

SHA-256:
3e62eca33982e188fd8912241e2be87f0ee5e1f6938cf9efa99b1e3232cb0f9c

Scanner detections:
6 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/3/2024 1:56:29 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.InstallCore.133
9.0.1.0359

ESET NOD32
Win32/InstallCore.DN (variant)
7.9189

herdProtect (fuzzy)
variant of softwareupdatesetup.exe (Adware)
2013.12.25.1

Malwarebytes
PUP.Optional.Installcore
v2013.12.25.01

Reason Heuristics
PUP.Installer.TrustedSoftwareAps.FF
14.8.8.1

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.131223

File size:
606.1 KB (620,640 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Trusted Software Aps

Authority:
COMODO CA Limited

Valid from:
11/7/2013 2:00:00 AM

Valid to:
11/7/2016 1:59:59 AM

Subject:
CN=Trusted Software Aps, O=Trusted Software Aps, STREET=Bysoestrade 2B st., L=Holbaek, S=DK, PostalCode=4300, C=DK

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

Serial number:
00DC2E7F902B196FB43F6CBF38ADF41AE8

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):
12288:8yMJfsGRgi0xWBWfvs1lP/AksyXee7BxGFHWPmR8aUAQFKMU1VK2SDj8u:8yMJfs6gJxWLP/iMAHWP7aUAQFKd1Vbz

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8396

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

Code size:
36 KB (36,864 bytes)

The file icreinstall_softwareupdatesetup.exe has been seen being distributed by the following 2 URLs.

http://dl01us.file.org/.../InternetExplorerSetup64-13204601-none.exe

http://file.org/.../dl.php?fid=13204601&p=None&a=upd&bit=64

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)

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