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pdf reader.exe

Sanumusa

Nummorum

The application pdf reader.exe, “Sanumusa Setup ” 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. The program is a setup application that uses the Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.currentnowbulk.com and multiple other hosts.
Publisher:
Bodehot   (signed by Nummorum)

Product:
Sanumusa

Description:
Sanumusa Setup

Version:
1.7.3.1

MD5:
4aea82eeee02ba47d049be42af7613d9

SHA-1:
6e5c625b51bcc7877818ac1bd9a0a46b2c5368d7

SHA-256:
e6653695693aa870677c59e2ee599c6710084c9a92fc9739c85908875f5b08b1

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:
2/26/2025 5:56:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.Nummorum.Installer (M)
16.6.21.23

File size:
946.1 KB (968,760 bytes)

Product version:
5.7

Copyright:
Wizard Lite

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

Digital Signature
Signed by:
Nummorum

Authority:
GlobalSign nv-sa

Valid from:
5/30/2016 2:14:51 PM

Valid to:
5/31/2017 2:14:51 PM

Subject:
CN=Nummorum, O=Nummorum, L=Leusden, C=NL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121EBC3ACFB4E4B6AE7D7966A49416BF44D

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:pbiOPsNwG9wHXH4CFN7m9TVcqlxFtxFK0XFgFW:pOesOG9qnkVl3FKiFH

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9305

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file pdf reader.exe has been seen being distributed by the following 2 URLs.

http://www.currentnowbulk.com/c?x=riDtPoUMRfaaaPqyZeTIySoYvYtTsroNMnxdAjYXv5I=&c=xZ0u/JbI1YT14KSoyVDUBZWiLyCY1wX2D9ouGx3J14ImVGAyB2nJ1r7M6ZTk/TDrcIK7qXoVWuNIuKvgGvpd4DsZErcDF7AQUU0P22o9YhMtKE4A/.../PVCWZPt948=&e=0&downloadAs=PDF Reader

http://www.currentnowbulk.com/c?x=5yAs/.../nLChQ2lGXtkl1jqaJbiAO7Ajh0MNiqkSC7vzDDfTm4ixAPMUzPyAnkn ZNq6RAFcSe7EFzs8=&e=0&downloadAs=PDF Reader

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