icreinstall_pdfwritersetup.exe

ClickRunSoftware

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_pdfwritersetup.exe by ClickRunSoftware has been detected as adware 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 installCore installer. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
ClickRunSoftware  (signed and verified)

MD5:
eeb75d55f2e8e9b3498a9e3cdd4ee778

SHA-1:
88fd9c5e646819d504d9a0ab2b20f4b134b14328

SHA-256:
12d48176a26abb685f6f21684172a7a316e5fb5780bce7c17fc0633f38d6e9ae

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/9/2024 1:54:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.ClickRunSoftware.Installer (M)
16.2.15.12

File size:
1.2 MB (1,306,408 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_pdfwritersetup.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
4/22/2013 3:00:00 AM

Valid to:
4/23/2014 2:59:59 AM

Subject:
CN=ClickRunSoftware, O=ClickRunSoftware, STREET=Rothschild 63 Blvd, L=Tel-Aviv, S=NA, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4138DDBC130C89C85F78EC0CC69C2A61

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

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