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icreinstall_flvplayersetup.exe

IronSource Ltd

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

MD5:
5eb98c604ddef74d6b48c492c513b940

SHA-1:
c5912150214ddbbd7a2282cdad4e4ca92806aa05

SHA-256:
5396b4b37df50737aa6f4c488146d670e82b26edb1597b257d304d797d0d71e2

Scanner detections:
1 / 68

Status:
Potentially unwanted

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 3:09:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ironSource.Bundler (M)
16.2.14.12

File size:
568.9 KB (582,536 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

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

Digital Signature
Signed by:
IronSource Ltd

Authority:
COMODO CA Limited

Valid from:
11/7/2011 10:00:00 PM

Valid to:
11/7/2012 9:59:59 PM

Subject:
CN=IronSource Ltd, O=IronSource Ltd, STREET=Namal 36 suit 1, L=Tel Aviv-Yafo, S=IL, PostalCode=68033, C=IL

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

Serial number:
008E236034501AEA96AE96F0B0FD227271

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:3A5B5UG85exx+77gspgpv87Kem2iU0BcNMQGPGFpRpt15qtMMq7:QBueq79gpvmKeUDrGFTpt1mMMq7

Entry address:
0x1159E0

Entry point:
60, BE, 00, 00, 49, 00, 8D, BE, 00, 10, F7, FF, C7, 87, 10, 57, 0C, 00, DC, AF, 24, B5, 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...
 
[+]

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

Code size:
536 KB (548,864 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)

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