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freepdfopener.exe

Nicetex Ltd

The application freepdfopener.exe by Nicetex has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. The file has been seen being downloaded from pdfreaderz.com and multiple other hosts.
Publisher:
Nicetex Ltd  (signed and verified)

MD5:
9326b3c68a8be4857773e8cdc24f163c

SHA-1:
1f230940c748049b538cd5c671e53dbd9c5d2a7b

SHA-256:
3e050099ef8e1f7ac122845f5c9d9fdfd2987c4c25f283b7e20e8cc8a8dd7cc6

Scanner detections:
5 / 68

Status:
Potentially unwanted

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
12/28/2024 10:42:52 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1417
9.0.1.076

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.9522

Malwarebytes
PUP.Optional.Spigot.A
v2014.03.17.08

Reason Heuristics
PUP.Optional.Nicetex.N
14.6.23.23

Trend Micro House Call
TROJ_GEN.F47V1009
7.2.76

File size:
2.4 MB (2,564,472 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\freepdfopener.exe

Digital Signature
Signed by:
Nicetex Ltd

Authority:
VeriSign, Inc.

Valid from:
9/30/2013 2:00:00 AM

Valid to:
10/1/2015 1:59:59 AM

Subject:
CN=Nicetex Ltd, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Nicetex Ltd, L=Hong Kong, S=Hong Kong, C=HK

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:
2DD8F3D5B9C9F70F512CB8B8D6A2D2D0

File PE Metadata
Compilation timestamp:
2/24/2012 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:DUF+/TdhCNWoMc1tCkBy/NllvtQvlXSJ+5suFZX7zTBs/2P9jllWE:DUF2TXCNGEMGyVTtQvlXSJ+5fr/BtQE

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file freepdfopener.exe has been seen being distributed by the following 2 URLs.

http://pdfreaderz.com/FreePDFOpener.exe

http://www.microdevperu.com/.../FreePDFOpener.exe

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