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expert_pdf_reader.exe

The application expert_pdf_reader.exe has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. According to Microsoft Security Essentials, the software includes a bundle of the DealPly adware which is installed on a user's PC during setup using the InstallCore platform. The file has been seen being downloaded from download.nf.pl.
MD5:
55d35d4c8deeef294b4614370e086ade

SHA-1:
3256e1410a3401509d807abe74c3e4b9c74ee3de

SHA-256:
ffcc827dbbbafb054b253cef072ec13ab2524b25d7f5572d0cb19e32b9554361

Scanner detections:
8 / 68

Status:
Potentially unwanted

Explanation:
This software bundler installs other potentially unwanted software, including DealPly. Which includes offers in a user's web browser which state they are "Powered by DealPly".

Analysis date:
12/25/2024 4:05:57 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.InstallCore.122
9.0.1.065

ESET NOD32
Win32/InstallCore.BL
10.8751

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

Malwarebytes
PUP.Optional.InstallCore
v2016.03.05.06

Microsoft Security Essentials
SoftwareBundler:Win32/DealPly
1.163.1557.0

Reason Heuristics
PUP.InstallCore.ENG (M)
16.3.5.6

Trend Micro House Call
TROJ_GEN.R0CBH01FR13
7.2.65

VIPRE Antivirus
InstallCore.b
21070

File size:
639.6 KB (654,960 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:DDyMJfsh/NpBxhH8npvn69y+wbsR+/+uU2321Z7R/PFd0G18iCSZh9SuwPa18R+u:vyMJfsxNptHeJs7R+/jG1Z7R/PFa28i8

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

http://download.nf.pl/Download/5832/Expert-PDF-Reader/generatory-pdf-konwertery-PDF-przegladarki-pdf/Pobierz/.../

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