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icreinstall_tomsinstaller.exe

Cop

Purch

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_tomsinstaller.exe, “Cop Setup ” by Purch 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 installCore installer. The file has been seen being downloaded from www.applicationdownloadhosting.com. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Rosod   (signed by Purch)

Product:
Cop

Description:
Cop Setup

MD5:
d8dc1365b2dffbe85c9dcf2f39bfed3d

SHA-1:
87d52cd4e009bb60fc26eaad184716c9295b4928

SHA-256:
959d42c8d92e5f13c822d992ccb84f9ef4dbe9569e74f660d6f656b8e62609df

Scanner detections:
1 / 68

Status:
Potentially unwanted

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/24/2024 6:18:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Purch.Installer (M)
16.6.23.22

File size:
1.1 MB (1,103,392 bytes)

Product version:
2.0.2

Copyright:
Lite

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Purch

Authority:
DigiCert Inc

Valid from:
4/17/2015 3:00:00 AM

Valid to:
4/25/2018 3:00:00 PM

Subject:
CN=Purch, O=Purch, L=Ogden, S=Utah, C=US

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
05B8DC1B7B5897B627456007B89CEDFB

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):
24576:0riAo0scMjpeZjTwe8ahOA2ZmU4MVJNmWHruVYvxiESskzFv0:0+AKp9EjTwF3NVLmWHrtZ+xG

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:
7.7142

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.applicationdownloadhosting.com/c?x=/.../EwIYw8qY2F33H4XqpH2sk5VrlEOjmF1KeUDI GLu2MEpMP7LIef5UQEYBMjgSUYBWNc0LlLCZgzl SxvUCeKf1BYqMGGWAH4&downloadAs=TomsInstaller.exe&_ga=1.88249497.381954833.1467140280

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)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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