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yaygames.exe

YayZap Installer

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from maby.yayzap.com.
Product:
YayZap Installer

Version:
4.0.4608.0

MD5:
5c63c1017b038f7e85b5ddbd8daa2365

SHA-1:
a2312582e86e2aea550c256a6499ee5b49c71b80

SHA-256:
974338b4ff081a9868e98f1211218404a9180ec75d91df826577a9b883bdf6e0

Scanner detections:
2 / 68

Status:
Clean  (2 probable false positive detections)

Explanation:
These detections are probably false positives (erroneous), the file is probably malware free.

Analysis date:
7/4/2025 4:54:26 PM UTC  (today)

Scan engine
Detection
Engine version

Emsisoft Anti-Malware
Gen:Trojan.Heur.JP.lu1@aGObR9oi
11.5.0.6191

Norman
Gen:Trojan.Heur.JP.lu1@aGObR9oi
28.05.2016 15:32:18

File size:
278.1 KB (284,785 bytes)

Product version:
4.0.4608.0

Copyright:
Copyright (C) 2015

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\yaygames.exe

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:uspOcdQeTI0h6nb91KZ9TQ+g0Tx8iNId6hjdgh8N94u+F3kSe:OctI991uD/x87vh8NGuQNe

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9223

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://maby.yayzap.com/yay/.../zlPcBFVQbMcFr1V4AFGx4pIte53z2ZXvlNSF5AUm9RAD41jATDIcNvRsTD6VOX4Wa45UQne5QoobSBi282LyhX3whWlelDwXNVj2P r3g==

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