openoffice.exe

Freemium GmbH

The application openoffice.exe by Freemium GmbH 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 Covus 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from az745087.vo.msecnd.net.
Publisher:
Freemium GmbH  (signed and verified)

MD5:
23dc2584adfaef6cf08acdaa889a4f71

SHA-1:
a9faf0e9e87d2b9fb83d67146f510b491ffa3dd3

SHA-256:
04c776de1af02359259e6e267412db409b03b80aac5723b5fda7733c0febe749

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:
10/31/2024 10:55:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Covus (M)
16.8.11.2

File size:
589 KB (603,168 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Covus

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/12/2016 2:00:00 AM

Valid to:
4/13/2017 1:59:59 AM

Subject:
CN=Freemium GmbH, O=Freemium GmbH, STREET=Schwedter Straße 9a, L=Berlin, S=Berlin, PostalCode=10119, C=DE

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00DC9861432499069FCA228F29B47F6118

File PE Metadata
Compilation timestamp:
5/3/2016 6:01:27 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:Ri5sXkbjglnHnAmdoWNvIYLKBalhb6XDtpR/5zhme:DXxHnAmdoIArBa36ztP/1Z

Entry address:
0x14CAC

Entry point:
E8, 14, 7B, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 48, 05, 46, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, C0, 01, 46, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 98, 32, 48, 00, 89, 0D, 94, 32, 48, 00, 89, 15, 90, 32, 48, 00, 89, 1D, 8C, 32, 48, 00, 89, 35, 88, 32, 48, 00, 89, 3D...
 
[+]

Code size:
380 KB (389,120 bytes)

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

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