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5evlxt3j.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 file 5evlxt3j.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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from stapi.yappyz.com.
Publisher:
SIEN  (signed by SIEN S.A.)

Product:
Yappyz

Version:
6.22.5.0

MD5:
09d284f505547d18c9d9342366f40c2f

SHA-1:
e82557f0b82ad4d127bb8a30d1e21b44d242fc1e

SHA-256:
45d3ba79a0374bb9e147f365420a1767f3833d68fd9a2461f295e8152545ad22

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 2:50:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien.SIENSA.Bundler (M)
16.1.26.10

File size:
782.3 KB (801,088 bytes)

Product version:
6.22.5.0

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

Original file name:
Setup.exe

Bundler/Installer:
SIEN SuperInstall

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\5evlxt3j.exe.part

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:
5/24/2013 3:25:49 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:cgLX7IGW9y792Qnf5Ep5C6wN9aCCN1oov6S:P/hWe92CyQ5cCz

Entry address:
0x216A90

Entry point:
60, BE, 00, D0, 55, 00, 8D, BE, 00, 40, EA, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
744 KB (761,856 bytes)

The file 5evlxt3j.exe has been seen being distributed by the following URL.

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

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