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yahoo_chat_messenger.exe

Y! Chat Messenger

Air Software

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application yahoo_chat_messenger.exe by Air Software 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 AirInstaller Download Manager installer. The file has been seen being downloaded from files.downloadwiz.com.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Y! Chat Messenger

Version:
2.0.3.26

MD5:
956c6ae9dd67e09798750f3c88cd2e91

SHA-1:
76180af4445b5296357372b6f65076ae0893edb9

SHA-256:
89eca99a1a6eddaa69eb0d2b56b074a9436d4f481f59a1e752926bfd61576e50

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/19/2024 10:02:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.6.1.5

File size:
2.1 MB (2,186,984 bytes)

Product version:
2.0.3.26

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
AirInstaller.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Air Software

Authority:
VeriSign, Inc.

Valid from:
3/1/2012 5:30:00 AM

Valid to:
3/2/2013 5:29:59 AM

Subject:
CN=Air Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Air Software, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
36D5AA8967E82240D5AFEC2F301B54ED

File PE Metadata
Compilation timestamp:
12/8/2012 12:44:05 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:maKTkw9xPbAFSRwxQFsiW9x5b0g4J1IND4TMYQC1gIpjbjK8hBPGDoLaA+KPSQ0:maDw9lbAFSuxQ7WhwJ1IND42C1gIVjKr

Entry address:
0x148B13

Entry point:
E8, DE, 93, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, B0, FD, 5D, 00, 75, 02, F3, C3, E9, 65, 94, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 14, 56, 85, C0, 74, 41, 83, 7D, 08, 00, 75, 13, E8, EC, 22, 00, 00, 6A, 16, 5E, 89, 30, E8, D3, 96, 00, 00, 8B, C6, EB, 2A, 83, 7D, 10, 00, 74, E7, 39, 45, 0C, 73, 0E, E8, CE, 22, 00, 00, 6A, 22, 59, 89, 08, 8B, F1, EB, DE, 50, FF, 75, 10, FF, 75, 08, E8, E9, 11, 00, 00, 83, C4, 0C, 33, C0, 5E, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 45, 08, 56, 8B, F1, C6, 46, 0C, 00, 85, C0, 75, 63, E8...
 
[+]

Entropy:
6.4837

Code size:
1.5 MB (1,564,160 bytes)

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

http://files.downloadwiz.com/get/.../?b=d36ecead&filename=Yahoo_Chat_Messenger

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