winrar-setup.exe

Cpc Net Advertising LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winrar-setup.exe by Cpc Net Advertising 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 installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Cpc Net Advertising LLC  (signed and verified)

MD5:
9a347f2589e9b4e5064d8f9e8bf4f588

SHA-1:
ad956dc1909e5052b8762c8daa486e747e36ad9e

SHA-256:
db33da4fbc572105ea3c9e691bf0854fb4403ec353c2d2899c52cd4f69cb8b38

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
5/16/2024 3:47:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.CpcNetAd.Installer (M)
16.5.8.12

File size:
2.3 MB (2,428,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\winrar-setup.exe

Digital Signature
Authority:
thawte, Inc.

Valid from:
7/1/2015 2:00:00 AM

Valid to:
7/1/2016 1:59:59 AM

Subject:
CN=Cpc Net Advertising LLC, OU=IT, O=Cpc Net Advertising LLC, L=Wilmington, S=Delaware, C=US

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
2BC1DD7AA35DE89A0D5276ECD7AE32AF

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:RAbDGXs+CwDmPf/l0toaaYvR0Y6nticCoVwtQk5JvxexeCB0G5uEbRUQA:ivLPAwfdCxv2Y8tiDs8NDJJ0FdtUQA

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file winrar-setup.exe has been seen being distributed by the following URL.

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