microsoft_office_publisher_2007_downloader.exe

Dudibucof

Apponic

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application microsoft_office_publisher_2007_downloader.exe, “Dudibucof Setup ” by Apponic 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from docviewer.yandex.ru and multiple other hosts.
Publisher:
Apponic  (signed and verified)

Product:
Dudibucof

Description:
Dudibucof Setup

MD5:
00ab47d18087656fcb04f467f195e96b

SHA-1:
f080353f2a53048928f92678986685a028381b20

SHA-256:
24e3ddd21651df9916a4fcedf5b91a5db8ad5edd06ab30692a6e9a66ceaf994e

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:
4/25/2024 8:42:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Apponic.Installer (M)
16.4.23.17

File size:
986 KB (1,009,704 bytes)

Product version:
5.7

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\microsoft_office_publisher_2007_downloader.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
12/30/2015 3:06:08 PM

Valid to:
12/30/2016 3:06:08 PM

Subject:
CN=Apponic, O=Apponic, S=Shanghai, C=CN

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

Serial number:
112154574550B624F5076FE015E009F229EE

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:x/R608uAq/YhauatGtLN90inPALijg/JYOwNQITBGv7W:x56RuPqaLton4LN+jNQI8a

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, BF, A9, FF, FF, E8, 5E, 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)

The file microsoft_office_publisher_2007_downloader.exe has been seen being distributed by the following 6 URLs.

https://docviewer.yandex.ru/source?id=klp6-2toi5uorphp1jiulrxuzmrveyt86biuyhykp6jkd2bgmurim6g6xawx4es3ei4uqc28yy1xdmbzjr06gtpj2xj8wtw56dpty77y&archive-path=//Microsoft_Office_Publisher_2007_Downloader.exe&ts=1582f65bbab&token=3TJcPiRalEt14yUBWq9sKA==&name=Microsoft_Publisher_2007.zip

https://docviewer.yandex.ua/source?id=klp6-2toi5uorphp1jiulrxuzmrveyt86biuyhykp6jkd2bgmurim6g6xawx4es3ei4uqc28yy1xdmbzjr06gtpj2xj8wtw56dpty77y&archive-path=//Microsoft_Office_Publisher_2007_Downloader.exe&ts=157c7b0e879&token=56mCnthXkZMaXHv0E3K4iw==&name=Microsoft_Publisher_2007.zip