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mahjong.exe

RuN APps FOrEver lld

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application mahjong.exe by RuN APps FOrEver lld 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 OutBrowse Revenyou installer.
Publisher:
YLWWA  (signed by RuN APps FOrEver lld)

Product:
YLWWA

Version:
8682.151210.1391.1436

MD5:
2e8b10955b69347d4be5f878149f07af

SHA-1:
43dda47d963acd3ef7d95f93ad71475708246064

SHA-256:
cdb6b22d1263c3ea03f9a608e48bbe34e294a5acb327cc52dd448d5fb2c304a9

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:
11/23/2024 6:44:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.3.6.20

File size:
370.9 KB (379,752 bytes)

Product version:
8682.151210.1391.1436

Copyright:
YLWWA

Trademarks:
YLWWA

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\Program Files\mahjong full version\mahjong.exe

Digital Signature
Signed by:
RuN APps FOrEver lld

Authority:
thawte, Inc.

Valid from:
11/23/2015 7:00:00 PM

Valid to:
1/27/2016 6:59:59 PM

Subject:
CN=RuN APps FOrEver lld, O=RuN APps FOrEver lld, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
03943858218F35ADB7073A6027555621

File PE Metadata
Compilation timestamp:
12/5/2009 5:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.7200

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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