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pdf_reader.exe

The application pdf_reader.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from www.appfindr.org.
MD5:
239d2d1855bf5513f65dcec9eb8eeb33

SHA-1:
78e93dd4f271ef7a9d2a12313689811890a44748

SHA-256:
d9ff820cfe646abb367ca7c48fa626d8f1cf00d7d2d8b8e7d8a83f35722c4972

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 8:08:33 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Evo-gen [Susp]
160518-2

Dr.Web
Detection.Undefined
9.0.1.05190

ESET NOD32
Win32/DownWare.AR potentially unwanted application
7.0.302.0

McAfee
Program.PUP-RHRL
18.0.204.0

File size:
271.5 KB (278,001 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

File PE Metadata
Compilation timestamp:
8/3/2015 9:43:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:b0hNLTWDwoFgpaMsFiv6BtgZHbGYXwj5484rLg:IAwocaMssG2ZyYXU4fo

Entry address:
0x31FD

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 57, 33, DB, 68, 01, 80, 00, 00, 89, 5C, 24, 1C, C7, 44, 24, 14, F0, 73, 40, 00, 33, F6, C6, 44, 24, 18, 20, FF, 15, B4, 70, 40, 00, FF, 15, B0, 70, 40, 00, 66, 83, F8, 06, 74, 11, 53, E8, F3, 26, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, 68, E8, 73, 40, 00, E8, 74, 26, 00, 00, 68, E0, 73, 40, 00, E8, 6A, 26, 00, 00, 68, D4, 73, 40, 00, E8, 60, 26, 00, 00, 6A, 0D, E8, C3, 26, 00, 00, 6A, 0B, E8, BC, 26, 00, 00, A3, 00, 3C, 42, 00, FF, 15, 34, 70, 40, 00, 53, FF...
 
[+]

Entropy:
7.3760

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://www.appfindr.org/en/.../download.php

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