icreinstall_mediaplayersetup.exe

Install Core

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_mediaplayersetup.exe by Install Core 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:
Install Core  (signed and verified)

MD5:
ef509eafaebd0f6c8740c55164ce3305

SHA-1:
9004b1d29159540ca007b6447a056f3e6a0cd7cd

SHA-256:
b0ad35d93748fa05cb9de5daea748e48fece31aae6dca8686d35550aeff0485f

Scanner detections:
1 / 68

Status:
Adware

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

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:
4/19/2024 9:11:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Installer (M)
16.2.15.15

File size:
557.5 KB (570,888 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

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

Digital Signature
Signed by:

Authority:
The USERTRUST Network

Valid from:
2/1/2011 6:00:00 PM

Valid to:
2/2/2012 5:59:59 PM

Subject:
CN=Install Core, O=Install Core, STREET=Nisim Aloni 21, L=Tel Aviv, S=Tel Aviv, PostalCode=62919, C=IL

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
2BCA6BFDAB7E5637BA8E7E9C6400CC75

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:cG+PgXTAWjIh9PwfXMvPQCs1bfaCBiztkDLOotSuQRJMMzd:cG+g0kg928nQNpHixkmoURJMMzd

Entry address:
0x1194A0

Entry point:
60, BE, 00, 60, 49, 00, 8D, BE, 00, B0, F6, FF, C7, 87, 10, 97, 0C, 00, CA, 22, 47, CD, 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:
7.8926

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

Code size:
528 KB (540,672 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)

Remove icreinstall_mediaplayersetup.exe - Powered by Reason Core Security