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lt_tg.exe

Local Temperature

Core Systems

Part of an adware web browser extension that delivers advertisements such as coupons, price-comparisons, display media, affiliate links, banners, popups/popunders and other links. The application lt_tg.exe by Core Systems 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory.
Publisher:
Local Temperature LLC  (signed by Core Systems)

Product:
Local Temperature

Version:
1.0.0.2

MD5:
e13764c319dc5d6e4a50fa75ae927a7e

SHA-1:
6b59a2dfd75681b587c280eac65965240cb236d5

SHA-256:
d22421a8c328795f1bc7627f81494f1c97227fa1164d6dc7a93393507dcdf694

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.

Analysis date:
5/7/2024 10:16:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Weather.CoreSystems.Installer (M)
15.12.19.8

File size:
894.7 KB (916,152 bytes)

Copyright:
Local Temperature LLC © 2015. All Rights Reserved.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Core Systems

Authority:
GoDaddy.com, Inc.

Valid from:
6/17/2014 2:26:02 PM

Valid to:
6/17/2015 2:26:02 PM

Subject:
CN=Core Systems, O=Core Systems, L=Austin, S=Texas, 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:
4B1F1B2C0AF57F

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:xWMmn2dH/bmDjQjzkUkdXqT2+ON0gYFnRpEZH9ncA:Jm2dHiXIzkJdXqTDNgYFAZHt

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9796

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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