mahjongworld-setup.exe

Full Spectrum Interactive

The application mahjongworld-setup.exe by Full Spectrum Interactive has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files4.playfin.com.
Publisher:
Intricate Meticulous Installation  (signed by Full Spectrum Interactive)

Product:
Intricate Meticulous Installation

Version:
24.9.7.3224

MD5:
57d0913edf11d207b2c484dd24be9f20

SHA-1:
4936866e8580b4dd7ae2d796a349d1f2dafdd578

SHA-256:
4f91a64ae79c166acc836cb44eaf6a1b09ce68659cebf9eb4a9286483776b2f1

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.

Analysis date:
5/25/2018 1:43:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DownloadAdmin.FullSpec.Installer (M)
16.5.13.18

File size:
757.1 KB (775,264 bytes)

Product version:
24.9.7.3224

Copyright:
Copyright (C) 2015

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mahjongworld-setup.exe

Digital Signature
Authority:
GoDaddy.com, Inc.

Valid from:
9/6/2015 3:40:44 PM

Valid to:
9/6/2016 2:41:52 PM

Subject:
CN=Full Spectrum Interactive, O=Full Spectrum Interactive, L=San Francisco, S=California, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
00C38AD160BBA36A58

File PE Metadata
Compilation timestamp:
8/26/2014 2:22:32 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:cCeOHOvKJilV/VVrssuRI6/TC82VlD0l3KGTLACP4cohZhxgVORDMtagKWEuM:mKMT1+E10l3KNcohZhxgVOhMcHW7M

Entry address:
0x1EFC60

Entry point:
60, BE, 00, 60, 53, 00, 8D, BE, 00, B0, EC, FF, 57, EB, 0B, 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, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.9214

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
744 KB (761,856 bytes)

The file mahjongworld-setup.exe has been seen being distributed by the following URL.

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