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install-openoffice.exe

Barecu

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 install-openoffice.exe, “Barecu Setup ” by CPC Net adVertising llc 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 the free Apache OpenOffice but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
CPC Net adVertising llc  (signed and verified)

Product:
Barecu

Description:
Barecu Setup

MD5:
fad8560ad7cdee590bff91cad927bdd1

SHA-1:
cba51457a921a1bb0f9c9c1cfb768f7224f2f808

SHA-256:
414959c3953986ec63d92daafbbc788e9c0464c0502682095a36e61aff517dcb

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
1/14/2025 2:26:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.10.11

File size:
938.8 KB (961,360 bytes)

Product version:
5.8.7

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\install-openoffice.exe

Digital Signature
Signed by:
CPC Net adVertising llc

Authority:
thawte, Inc.

Valid from:
4/14/2016 2:00:00 AM

Valid to:
4/15/2017 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:
3A1AFB5694D65DFB7794393E557E5340

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:2ziBxEWT2fE1Vjtpa5BQsPrexI7I1l7u:2WoWTBxpa5ScrHI1

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...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file install-openoffice.exe has been seen being distributed by the following URL.

http://www.tourapplicationslaboratory.com/c?x=UhATSD0tKxEWKMxYu2BFVPbrvYxOQ9ZGlzT9fEOy6Es=&c=KYmvDYXLtIwLPJaL dz8zHPIYl rvIsH9DCNdV9e8i6X6BwjJj0tGNioE WxXYY0YhySV/AbOYt/wOxSLNyk3S1YyaRUduMXMpqA/.../x jvuCjGq0j&fallback_url=Fallback URL&downloadAs=install-openoffice.exe

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