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pdf_reader

Nummorum

The file pdf_reader by Nummorum has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from numsoft.net.
Publisher:
Nummorum  (signed and verified)

Description:
Setup

Version:
14.0.23107.0 built by: D14REL

MD5:
9252d91db3abfbb63c7b62e6c2c0df60

SHA-1:
6541e61ef715dc4aaa151769c537a2d57fe86388

SHA-256:
f32fdc462294d181ed8184aa7b53b7ab386689fe2c85248f8f704750bf6f548a

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
1/14/2025 11:45:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore (M)
16.9.22.18

File size:
577.5 KB (591,352 bytes)

Product version:
14.0.23107.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
setup.exe

Language:
English (United States)

Common path:
C:\users\{user}\downloads\pdf_reader

Digital Signature
Signed by:
Nummorum

Authority:
COMODO CA Limited

Valid from:
9/21/2016 8:00:00 PM

Valid to:
9/22/2017 7:59:59 PM

Subject:
CN=Nummorum, O=Nummorum, STREET=Beemden 13, L=Leusden, S=Noord-Holland, PostalCode=3831 GK, C=NL

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6BCE9BFBF8B324FDC559B4FD8E7EC561

File PE Metadata
Compilation timestamp:
7/7/2015 2:26:33 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:YDPdsil5fCMggBIiMVO26kk+FGpeMb01JQntLOCViosUy:YD1s2ts96kTeemV4

Entry address:
0x330C2

Entry point:
E8, 56, 04, 00, 00, E9, 80, FE, FF, FF, E9, A0, 96, 00, 00, 55, 8B, EC, EB, 1F, FF, 75, 08, E8, 5A, BE, 00, 00, 59, 85, C0, 75, 12, 83, 7D, 08, FF, 75, 07, E8, 03, 08, 00, 00, EB, 05, E8, F9, A0, 01, 00, FF, 75, 08, E8, AE, BE, 00, 00, 59, 85, C0, 74, D4, 5D, C3, 3B, 0D, 38, A0, 45, 00, F2, 75, 02, F2, C3, F2, E9, 21, 08, 00, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, F2, C3, 8B, 4D, F0, 33, CD, F2, E8, CF, FF, FF, FF, F2, E9, DA, FF, FF, FF, 8B, 4D, EC, 33, CD, F2, E8...
 
[+]

Entropy:
6.1063

Code size:
356 KB (364,544 bytes)

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

http://numsoft.net/software/.../setup.exe

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