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free-pdf-compressor_1000.exe

X-Media JSC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application free-pdf-compressor_1000.exe by X-Media JSC 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. The file has been seen being downloaded from f1.storeglobal-best.com.
Publisher:
X-Media JSC  (signed and verified)

MD5:
9ed21baa782b0497299ad23c1b65f4a1

SHA-1:
4c2288f66a9cfb0ebec290d9dae823e56d3d78eb

SHA-256:
eff5bd2426408b4ec14cd9d33ed6f01af5bdb63a6962614eeb1c0f0040d4fe55

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
12/26/2024 8:06:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.XMediaJS (M)
16.5.20.3

File size:
101.5 KB (103,912 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\free-pdf-compressor_1000.exe

Digital Signature
Signed by:
X-Media JSC

Authority:
COMODO CA Limited

Valid from:
7/22/2014 7:00:00 AM

Valid to:
7/22/2016 6:59:59 AM

Subject:
CN=X-Media JSC, O=X-Media JSC, STREET="244A Le Trong Tan, Khuong Mai, Thanh Xuan", L=Ha Noi, S=Ha Noi, PostalCode=10000, C=VN

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

Serial number:
00B2A816498972D731C4998D8C6965DAA9

File PE Metadata
Compilation timestamp:
5/12/2014 3:03:42 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:O4UHxpN/MUXsLTvCj0DBXJaOTEKdKfPQODLpHU2bTOTige4n8Nqoi/Q68mwhx:O4URpNUUX6z/DBXJfocmPQ+e2sirD

Entry address:
0x30E2

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 1C, 71, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 58, E4, 42, 00, E8, 95, 2D, 00, 00, A3, A4, E3, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, E0, 87, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, A0, DB, 42, 00, E8, 3F, 2A, 00, 00, FF, 15, 20, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 2D, 2A...
 
[+]

Entropy:
7.0003

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file free-pdf-compressor_1000.exe has been seen being distributed by the following URL.

http://f1.storeglobal-best.com/v29/89/.../free-pdf-compressor_1000.exe

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