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pdfwritersetup.exe

The application pdfwritersetup.exe has been detected as a potentially unwanted program by 12 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:
6fa4027877502da7e8dda0dd2cabea5b

SHA-1:
aaef0f1297135f2d3c93e29a96a069a6273c9eee

SHA-256:
f9564532b7a38417f89191bda06e8e81f88d75f559a95b7632a6800e462c45c6

Scanner detections:
12 / 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:
4/25/2024 1:05:46 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.149.250

avast!
Win32:InstallCore-HG [PUP]
140813-1

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.CV potentially unwanted application
7.0.302.0

IKARUS anti.virus
Backdoor.Hupigon
t3scan.1.6.1.0

Panda Antivirus
PUP/MultiToolbar.A
14.09.02.06

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14831

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.R0CBC0ODL14
7.2.245

Trend Micro
TROJ_GEN.R0CBC0OK813
10.465.02

VIPRE Antivirus
InstallCore
29262

File size:
1.2 MB (1,306,408 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 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:KIaABxKxF8JdybP8NyuvLrjn/ecE0zde+PPjQXe6XLX9BKmge6E6uOofHGm9Wdmj:ChxYy7Vh0zQsPjiXLX9BKmge6E6uOXmz

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, E8, CD, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E8, CD...
 
[+]

Entropy:
7.0428

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

Code size:
37 KB (37,888 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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