home

yahoo_messenger.exe

Internet App

Bully Unity LTD

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application yahoo_messenger.exe, “Internet App Setup ” by Bully Unity 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 file has been seen being downloaded from cdn2.downloadastro.com.
Publisher:
Bully Unity LTD  (signed and verified)

Product:
Internet App

Description:
Internet App Setup

MD5:
b1719f0a840990dbcacba9b0d239a7de

SHA-1:
3346d9a3a1d63c1854f205baf8cf99cb51bd8a52

SHA-256:
a4c13516bfc01acfcd01c9f0144308127c0b10b4b60cbbfa5478900708db0e00

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/7/2024 6:31:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.BullyUni.Installer (M)
16.8.9.4

File size:
774.4 KB (792,960 bytes)

Product version:
2.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Bully Unity LTD

Authority:
DigiCert Inc

Valid from:
12/18/2014 5:30:00 AM

Valid to:
12/23/2015 5:30:00 PM

Subject:
CN=Bully Unity LTD, O=Bully Unity LTD, L=Jerusalem, C=IL

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0561C0FEA93F47093CCED2BA6A4400F1

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:cBFcg1fqlxeMvbyj0GfKDMruQRE14YS9zo7i6SGAF8:cTcgRqlxbve0GfSBQREKYSNo7Yf+

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...
 
[+]

Entropy:
7.8844

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

Code size:
37 KB (37,888 bytes)

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

http://cdn2.downloadastro.com/?ic_user_id=9267

Remove yahoo_messenger.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.