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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 www.minwon.go.kr and multiple other hosts.
Publisher:
UNIDOCS Inc.  (signed and verified)

MD5:
5f5906a20cc9c81ab8889a43863bdc17

SHA-1:
99201e83e225dfe55d8a6671e9edfece85d4ca9a

SHA-256:
89f7947f0a3e647e63633fdb6e6b078c5b00491cbd9d73ab624e1624aab04bd9

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
11/5/2024 8:28:44 PM UTC  (today)

File size:
23.5 MB (24,619,048 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\ezpdfreader_setup.exe

Digital Signature
Signed by:
UNIDOCS Inc.

Authority:
Thawte, Inc.

Valid from:
8/3/2013 9:00:00 AM

Valid to:
10/3/2015 8:59:59 AM

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

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
26FEA1714C769FDDA72DD9C5F98F7807

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

CTPH (ssdeep):
393216:4TzRRGXLiNUmnApQ2IPgwn0gvHq32s8udpOdgbSrFt0ZA5SX4xYWB49v/krs3fSF:4TvaeNUmn2DczvKmUsdCW7iAkE0v/Slt

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:
7.9984

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 2 URLs.

http://www.minwon.go.kr/main?d=AA100DataDownApp&SAVE_FILE_NM=42100.exe

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

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