gmusma.exe

SqueakyChocolate

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application gmusma.exe by SqueakyChocolate 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address cdn.squeakychocolate.com on port 80 using the HTTP protocol.
Publisher:
SqueakyChocolate  (signed and verified)

MD5:
18ce18fb38e84a058c23568b946d8933

SHA-1:
277ff411e2153b2a59ad48734dcc11d0a1c6ac3c

SHA-256:
28227f8b457b66647e24bee2d2d3245e22477916dd8a926c626059bc43c495fd

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:
4/24/2024 11:18:50 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.SqueakyChocolate (M)
16.2.13.21

File size:
256 KB (262,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Nullsoft Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\gmusma.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
2/19/2012 10:00:00 PM

Valid to:
2/19/2015 9:59:59 PM

Subject:
CN=SqueakyChocolate, O=SqueakyChocolate, STREET=12902 Dorathea Terrace, L=Poway, S=CA, PostalCode=92064, C=US

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

Serial number:
00B696A8829DC1E0486236AF86C6DC0B70

File PE Metadata
Compilation timestamp:
7/26/2014 6:58:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:3/B4C28z06BWTmg78hF05VyHoIJRNWVD6NyhnTyjaWz2:3/F28z0mWd8hevyLW0mTyjf2

Entry address:
0x35B7

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, E0, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B4, 82, 40, 00, 6A, 08, A3, F8, 05, 47, 00, E8, 62, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, 00, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 24, 86, 40, 00, FF, 15, 84, 81, 40, 00, 68, 0C, 86, 40, 00, 68, 00, 85, 46, 00, E8, 32, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, 00, 10, 4C, 00, 57, E8, 20, 26, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
26 KB (26,624 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to squeakychocolate.com  (74.208.110.68:80)

TCP (HTTP):
Connects to post-install-verification.conduit-data.com  (184.72.217.85:80)

TCP (HTTP):
Connects to cdn.squeakychocolate.com  (62.253.3.84:80)

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