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pdfwritersetup.exe

The application pdfwritersetup.exe has been detected as a potentially unwanted program by 20 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. 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.unipdfconverter.com.
MD5:
4e481f45acfa2163c817da0e65bda293

SHA-1:
ea4ae8a632f500c3d62ea0636abff697e8c5239e

SHA-256:
fed442868f8d8a6545d48d297a0e37260f5722c01faf9529a058b867d4ddf8a7

Scanner detections:
20 / 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:
4/19/2024 11:59:06 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
TR/Trash.Gen
7.11.30.172

avast!
Win32:InstallCore-HG [PUP]
140929-0

Bkav FE
HW32.Laneul
1.3.0.4959

Comodo Security
ApplicUnwnt
19225

Dr.Web
Adware.InstallCore.114, Adware.InstallCore.122
9.0.1.05190

ESET NOD32
Win32/InstallCore.BQ potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.R.gen
4.6.5.141

K7 AntiVirus
Unwanted-Program
13.170.9109

Malwarebytes
PUP.Optional.Bundle
v2014.10.01.12

McAfee
Artemis!887D65EC4488
5600.6991

NANO AntiVirus
Riskware.Win32.InstallCore.dfgloe
0.28.2.62151

Panda Antivirus
PUP/MultiToolbar.A
14.10.01.12

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Rising Antivirus
PE:Malware.InstallCore!6.4
23.00.65.14929

Sophos
Install Core Click run software
4.91

SUPERAntiSpyware
Trojan.Agent/Gen-Nullo[Short]
10327

Trend Micro House Call
TROJ_GEN.F47V0617
7.2.274

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore
19868

File size:
1.2 MB (1,278,400 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:rSMJfsa4OuG7m8SAQiDRAUDVfCTl1H0vCcnPR1uUfF5++YRvZ765:xJfs+uG7pSAQiNAUBaT/qz1u4lYVZm

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...
 
[+]

Entropy:
6.9115

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

Code size:
36 KB (36,864 bytes)

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

http://www.unipdfconverter.com/default/ga/.../?dl=1

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