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install-openoffice-2.exe

Fepa

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-2.exe, “Fepa 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:
Fepa

Description:
Fepa Setup

MD5:
b7a4802b5dde308ba4dc6bc9c7ab0851

SHA-1:
d06aea33e2402920531e6bb516401c85ee7639e2

SHA-256:
8bacdefbeee5cdf3a82494301b152161774c51bc29ec8dfbe11cb87efab4be39

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:
1/14/2025 2:35:58 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.9.8

File size:
961.3 KB (984,416 bytes)

Product version:
4.4

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\install-openoffice-2.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:D+ihrttJ03KNnUMnbYr3/Exhi1FMBTlP0QjcpMXVJoE:D/hR8MnUrPETi1FGpfh

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-2.exe has been seen being distributed by the following 3 URLs.

http://www.tourapplicationslaboratory.com/c?x=izWXdoxd1o28b4IfTtMFeSt8xWqanSgoLCgp2MG0wIA=&c=XobozjmAwd3fFPOzNXiPc9eC0HT8 ZxcNB9HYq7u7L4ZH02FK6oFb6UL4N/L52kna37AqXPITvdSQQsgeBGg1rKt/.../diH0s0SWjPP5VE7&fallback_url=Fallback URL&downloadAs=install-openoffice-2.exe

http://www.tourapplicationslaboratory.com/c?x=k0LB5AOhRW2Z7ESLxpJfVBCvGlHFVz5uNztGJ/nPTnY=&c=qGEtFxzKARf1nCvSWVU4q4fF65v zkrHMoHoGnLT4llD2KwEMJMgJKFx7SQ2DAtIWw9DkMkw6P4lUHDAh0yj/ YnqeUd/.../5cg0&fallback_url=Fallback URL&downloadAs=install-openoffice-2.exe

http://www.tourapplicationslaboratory.com/.../oA6nBE7UOJLPElTI=&c=kgl6yb6pQNxeHtW57CQnPtfYAU2DKkPMWd8pIO9CrIVq8xB2fEA9nsWUEfIJgzrJA8GhZFD nO8cR8V9C1VCfLQitDrYXDFFAxF0riUWRLMgX64Lvs5MUgFJLOMb0Y92&fallback_url=Fallback URL&downloadAs=install-openoffice-2.exe

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