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yappyz.exe

Yappyz

SIEN S.A.

This is the SIEN AppScion Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application yappyz.exe by SIEN S.A 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 SIEN SuperInstall installer. The file has been seen being downloaded from stapi.yappyz.com.
Publisher:
SIEN  (signed by SIEN S.A.)

Product:
Yappyz

Version:
6.50.2.0

MD5:
d1ce29ce53245fbea4ae4d997fe40f33

SHA-1:
394b4afea2a175a773fd3a9f482e0caabca40627

SHA-256:
2f4fb9c6833d326bc1e6c5db6ccc28e9f9ef8cf25f294b2ef879bfc7530324e0

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 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:
11/28/2024 2:48:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
16.7.23.16

File size:
833.3 KB (853,320 bytes)

Product version:
6.50.2.0

Copyright:
(c)SIEN S.A. All rights reserved.

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
SIEN SuperInstall

Language:
English (United States)

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

Digital Signature
Signed by:
SIEN S.A.

Authority:
VeriSign, Inc.

Valid from:
8/22/2012 1:00:00 AM

Valid to:
8/23/2014 12:59:59 AM

Subject:
CN=SIEN S.A., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SIEN S.A., L=Paris, S=France, C=FR

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:
514EA00D30C8C244C3E818890BF73967

File PE Metadata
Compilation timestamp:
2/6/2014 9:57:12 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:sxGVL6hBH8HwOzJadKJyhTIQYdIjPGbcTz4rdsoyVOHhYGiF+g+Ma6oX:sT3KSzb9sdjyV/+MPe

Entry address:
0x5952E

Entry point:
E8, 11, 82, 00, 00, E9, 7F, FE, FF, FF, 3B, 0D, 50, 2C, 4A, 00, 75, 02, F3, C3, E9, 72, 20, 00, 00, 56, 6A, 04, 6A, 20, E8, 13, 87, 00, 00, 59, 59, 8B, F0, 56, FF, 15, FC, 01, 48, 00, A3, E0, 94, 4A, 00, A3, DC, 94, 4A, 00, 85, F6, 75, 05, 6A, 18, 58, 5E, C3, 83, 26, 00, 33, C0, 5E, C3, 6A, 0C, 68, F8, 96, 49, 00, E8, 0E, 40, 00, 00, E8, 78, 3E, 00, 00, 83, 65, FC, 00, FF, 75, 08, E8, 23, 00, 00, 00, 59, 8B, F0, 89, 75, E4, C7, 45, FC, FE, FF, FF, FF, E8, 0B, 00, 00, 00, 8B, C6, E8, 29, 40, 00, 00, C3, 8B...
 
[+]

Code size:
506.5 KB (518,656 bytes)

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

http://stapi.yappyz.com/yappyz/.../setup.exe

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