pdfopener.exe

Fedder Corporation Limited

The application pdfopener.exe by Fedder Limited has been detected as a potentially unwanted program by 2 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 pdfopener.s3.amazonaws.com.
Publisher:
Fedder Corporation Limited  (signed and verified)

MD5:
7c8a52652eeef04772ab39fd44486930

SHA-1:
066495b2874e5f3a16abcfd8f2ab4927c69346ab

SHA-256:
c60ae7786fce0724a01bad3848843728dc06be15327731f5eb5e9a7b48a2d765

Scanner detections:
2 / 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:
8/16/2018 11:29:18 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.8363

Reason Heuristics
PUP.Fedders.Bundler.Meta (L)
15.7.24.22

File size:
2.1 MB (2,253,928 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
6/19/2012 8:00:00 PM

Valid to:
10/12/2013 7:59:59 PM

Subject:
CN=Fedder Corporation Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Fedder Corporation Limited, 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:
4D1FC69173F8D76696A3600A6F18194A

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:IjhoXZkue+kequqM4CT0wRwTKX0EiKLVyuE9d458m2ijO+:Ij7Ykequ7Z4wRmKX0A+8Qip

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9624

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file pdfopener.exe has been seen being distributed by the following URL.

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