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icreinstall_pdfreadersetup.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_pdfreadersetup.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:
fbca7df0ef9590950b8cc649b7c5b948

SHA-1:
0d7ce21c1116c7904d59d5d20b683bc517379b12

SHA-256:
ffb9efa7ddb64d713efcb664d8c689a9c6d9da5864d7db80c4efda77d0c011ac

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:
4/18/2024 10:32:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ironSource.Bundler (M)
16.2.14.15

File size:
568.4 KB (582,024 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

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

Digital Signature
Signed by:
IronSource Ltd

Authority:
COMODO CA Limited

Valid from:
11/8/2011 1:00:00 AM

Valid to:
11/8/2012 12:59:59 AM

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:
6/20/1992 12:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:da/WIKRSrQklYwf7k4paeakR2ebRRUIZwp6WO7XaUe9p5cYxMMqo:QWIKRS8kl1zk9YHMo/aUe9TPMMqo

Entry address:
0x1157E0

Entry point:
60, BE, 00, 00, 49, 00, 8D, BE, 00, 10, F7, FF, C7, 87, 10, 57, 0C, 00, 90, 22, 0C, 47, 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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