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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.
Publisher:
Say Media Group  (signed and verified)

MD5:
476aebc69a91a8ed5ddb0466a523a8ae

SHA-1:
450dcd495ae87f47e766b364e04ab877791828b6

SHA-256:
a9e77c7156c065f561e859e60f6cef7d04cab8aa3b41cb576d0f54c3e1de5918

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/18/2024 3:32:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.SayMediaGroup (M)
16.1.5.7

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 9:00:00 PM

Valid to:
5/1/2014 8:59:59 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 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:4xFay9obZPJTxJxPvkLLT39HvsPJmbTL8e3n/GV5mYqxsupApkps2ZvX2t:4xFNwpJVJCjxvsPMbTF3/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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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