openoffice.exe

Lacuf

InstallFlash (Fried Cookie Ltd)

The Fried Cookie installer utilizes the InstallCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application openoffice.exe, “Lacuf Setup ” by InstallFlash (Fried Cookie) 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. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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:
Robu   (signed by InstallFlash (Fried Cookie Ltd))

Product:
Lacuf

Description:
Lacuf Setup

Version:
3.8.4.3

MD5:
459b077e31abd18f1f6299274e2345b1

SHA-1:
334622484e23264e983d605d2c5c9d7605e38111

SHA-256:
c08974035af28f0d7047dc795667fa59506f09fd18c4c4e820cb202b4606c9b5

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
11/1/2024 4:21:53 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.FC (M)
16.11.3.15

File size:
1.1 MB (1,120,352 bytes)

Product version:
2.4.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Swedish (Sweden)

Common path:
C:\users\{user}\downloads\openoffice.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 2:18:16 PM

Valid to:
6/2/2016 5:24:43 PM

Subject:
CN=InstallFlash (Fried Cookie Ltd), O=InstallFlash (Fried Cookie Ltd), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121ACE394F39EFB26D753579A412465CB79

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:h5pydzYpRU332AMsh7+m+JeFxOAgJFiG4C3/YuFA8TPu5RY5:hDazYmmEA+xOtFiG4C3DFyRY5

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, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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