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icreinstall_jigsaw-puzzle-creator_3.4-build-20_setup.exe

Internext Media

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_jigsaw-puzzle-creator_3.4-build-20_setup.exe by Internext Media has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. 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:
Internext Media  (signed and verified)

MD5:
99ac7ded804e7e0652e7f589c4115f93

SHA-1:
73d8bd87d5c0db8d1ccec455327dab941a387375

SHA-256:
c281754f24ec559cfe2438c57012cb4dd379f1fcfbef63ead000fd2badd3fe01

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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:
5/17/2024 2:55:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.12.2.5

File size:
648.1 KB (663,672 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_jigsaw-puzzle-creator_3.4-build-20_setup.exe

Digital Signature
Signed by:
Internext Media

Authority:
VeriSign, Inc.

Valid from:
5/30/2012 5:30:00 AM

Valid to:
5/31/2013 5:29:59 AM

Subject:
CN=Internext Media, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Internext Media, L=Iasi, S=Iasi, C=RO

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5ECFD6732AA470D2C1BC7F0E7F057C71

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:d4BFtvhLsqMZxhsMjcUKtzdsEsdSDNRntC1/fn58qvueVWzGXuA:WEZxSzmnGNwH58qvxMzG3

Entry address:
0x13DB10

Entry point:
60, BE, 00, 70, 4A, 00, 8D, BE, 00, A0, F5, FF, C7, 87, 10, 47, 0E, 00, 97, 2C, 2F, DD, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46...
 
[+]

Entropy:
7.8735

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
604 KB (618,496 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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