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gemsswap.exe

Say Media Group

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application gemsswap.exe by Say Media Group 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 installCore installer. The file has been seen being downloaded from dl.game-time.co.
Publisher:
Say Media Group  (signed and verified)

MD5:
aa5c1bb061130ef3a19b41f32650fc7d

SHA-1:
b340029ed9d618c6b6410541c2fe32a76d4f73ea

SHA-256:
2fdc0bac1a44a4e63116ba9f844d4b4931378297a18abe33ca6ca3f25fde4f22

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 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:
12/26/2024 1:12:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.SayMedia (M)
16.7.6.8

File size:
699.1 KB (715,880 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Say Media Group

Authority:
COMODO CA Limited

Valid from:
4/30/2013 7:00:00 PM

Valid to:
5/1/2014 6:59:59 PM

Subject:
CN=Say Media Group, O=Say Media Group, STREET=1 Habarzel Street, L=Tel Aviv, S=Israel, PostalCode=69710, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
58BF7ADB4EB9F96866B03020027FBE43

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ExFay9obZPJTxJxPvkLLT39HvsPJmbTL8e3n/GV5mYqxsupApkps2ZvX2t:ExFNwpJVJCjxvsPMbTF3/GjmMuKXWvA

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.7947

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://dl.game-time.co/.../donwload?CID=272180&SID=US&AFID=310960&rd=1&AffiliateReferenceID=102900052e03ccc55dbc6a491853ec&__tc=1403027532600&fileName=Fun_Games

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