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yahoo! messenger.exe

Yahoo! Messenger

Apps Installer S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application yahoo! messenger.exe, “Yahoo! Messenger AppInstaller” by Apps Installer S.L 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 Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars.
Publisher:
Apps Installer S.L.  (signed and verified)

Product:
Yahoo! Messenger

Description:
Yahoo! Messenger AppInstaller

Version:
3.0.9.0

MD5:
7f4e83214738e38e5e117f687da3ee70

SHA-1:
72b4d1f1b765fffd5f8c5fb9d41db4a54090593b

SHA-256:
98b3258ce62f5726735b75edf1aeb0b2eef97386afdcaaeb2960d749897358bc

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This is a wrapped installation of legitimate software (without persmission of the developer) and bundles adware such as toolbars and extensions.

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 1:57:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.AppsInstaller.Installer (M)
16.2.27.9

File size:
185.5 KB (190,000 bytes)

Copyright:
AppInstaller 2013 (512e4fc0-18d4-4361-bb1e-3ca05bc06f2f)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Common path:
C:\users\{user}\downloads\yahoo! messenger.exe

Digital Signature
Signed by:
Apps Installer S.L.

Authority:
Thawte, Inc.

Valid from:
2/19/2013 1:00:00 AM

Valid to:
2/20/2015 12:59:59 AM

Subject:
CN=Apps Installer S.L., O=Apps Installer S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
323F44D66AEF890F43C32CFD743A4AD0

File PE Metadata
Compilation timestamp:
2/19/2012 4:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
3072:7X7DItrfaocyTgfsqQOlJVawPCN/dgIGQTmQImGxcF7gcL0K8pNXNFcWzA02VHB:7saocyLCVa5N/dTGtHmGmF7gcLz8zHcx

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Code size:
34.5 KB (35,328 bytes)

The file yahoo! messenger.exe has been seen being distributed by the following URL.

http://nl3.inncdn.com/?domain=yahoo-messenger&name=Yahoo! Messenger&icon=aHR0cDovL3NjcmVlbnNob3QuaXQuc2Z0Y2RuLm5ldC9pdC9zY3JuLzEyMDAwLzEyNDczL3lhaG9vLW1lc3Nlbmdlci00NC5wbmc=&url=aHR0cDovL3hwLnlpbWcuY29tL2dqL21zZ3IvMTE1L3N1aXRlL21zZ3IxMWl0LmV4ZQ==&os=&lang=it_IT

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to cdn.solimba.com  (95.211.6.35:80)

TCP (HTTP):
Connects to api.downloadmr.com  (95.211.39.161:80)

 
http://api.downloadmr.com/installer/248088555/launch

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