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ezpdfreader_setup.exe

UNIDOCS Inc.

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from gcc.nefficient.co.kr.
Publisher:
UNIDOCS Inc.  (signed and verified)

MD5:
b9d62249a3bd0a122fc143142777f1b9

SHA-1:
7a1b2bcf38bd04419974671be0ca973a4b45e5a6

SHA-256:
754484d1e922afd7f8d2f790756a65184c298ec8984540257ed23c9577280b67

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/27/2024 12:24:16 AM UTC  (today)

File size:
30.5 MB (31,937,104 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\ezpdfreader_setup.exe

Digital Signature
Signed by:
UNIDOCS Inc.

Authority:
thawte, Inc.

Valid from:
9/23/2015 9:00:00 AM

Valid to:
10/23/2017 8:59:59 AM

Subject:
CN=UNIDOCS Inc., O=UNIDOCS Inc., L=Guro-gu, S=Seoul, C=KR

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
53F470A685BECCFC740B9AA19CC6999F

File PE Metadata
Compilation timestamp:
12/6/2009 7:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9988

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://gcc.nefficient.co.kr/gcc/vista/ezPDF/reader/.../ezPDFReader_SETUP.exe

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