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openoffice-setup.exe

Open Office Installer

Downloadster

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application openoffice-setup.exe, “Deploy Open Office along with various offers” by Downloadster 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 Adlogica Downloader 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:
Downloadster  (signed and verified)

Product:
Open Office Installer

Description:
Deploy Open Office along with various offers

Version:
3.4.1

MD5:
3a2b0ac1ba7d8213c43047d5a996d2b2

SHA-1:
73cc4150e409d0cd198730c403f45c03e218dcec

SHA-256:
b85c9fab34bbb9eb53e569c76b596f7a9e9f4e4fbf905e5f3f7a013af7bc039a

Scanner detections:
1 / 68

Status:
Adware

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:
12/26/2024 4:43:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adlogica.Download.Bundler (M)
16.6.15.0

File size:
1.6 MB (1,633,640 bytes)

Product version:
3.4.1

Copyright:
© downloadster.net

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader

Language:
English (United States)

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

Digital Signature
Signed by:
Downloadster

Authority:
COMODO CA Limited

Valid from:
8/14/2013 2:00:00 AM

Valid to:
8/15/2015 1:59:59 AM

Subject:
CN=Downloadster, O=Downloadster, STREET=96 Jessie st 4th floor, L=SAN FRANCISCO, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
6BF02A856A1D40D914792483AF513873

File PE Metadata
Compilation timestamp:
8/27/2013 10:27:09 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:EKJpO06eDK14C2SLtgW5QCwgIImrox3k1d+EbzcguMv2+Mmar9T1RklxnCDpP7gc:ENtwgIImMMd+Wz20VVWT1ilxnqpP/

Entry address:
0x1073F0

Entry point:
55, 8B, EC, 83, C4, F0, B8, 80, 56, 50, 00, E8, E4, 01, F0, FF, 8B, 0D, 9C, 15, 51, 00, 8B, 09, B2, 01, A1, F4, 48, 4C, 00, E8, C8, 8E, F5, FF, 8B, 15, 90, 16, 51, 00, 89, 02, A1, 9C, 15, 51, 00, 8B, 00, E8, CC, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, B2, 01, E8, 66, 45, F6, FF, 8B, 0D, 80, 13, 51, 00, A1, 9C, 15, 51, 00, 8B, 00, 8B, 15, 60, 8E, 4F, 00, E8, BE, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, E8, EA, 27, F6, FF, E8, 39, DB, EF, FF, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
1 MB (1,074,176 bytes)

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

http://cdn.downloadster.net/.../openoffice-setup.exe

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