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subadvtwo.exe

Rational Thought Solutions

The software will display additional offers (such as adware) during installation including a browser toolbar/extension as well as advertising injection software (part of the Injekt brand). The application subadvtwo.exe by Rational Thought Solutions 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. The file has been seen being downloaded from secured.cdnawbwest.us.
Publisher:
Rational Thought Solutions  (signed and verified)

MD5:
7a3e7ea17e2bf5bd2be9f87b3e237971

SHA-1:
2cdcba691b58b348066ac649272c6041924bc68b

SHA-256:
2ff70458cc140144c9bf9adffb2b1cf7ca049da726b507ac55b4471807b88923

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
12/25/2024 12:34:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt.RationalThoughtSolutions.Installer (M)
16.3.8.3

File size:
4.5 MB (4,731,776 bytes)

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\subadvtwo.exe

Digital Signature
Signed by:
Rational Thought Solutions

Authority:
Symantec Corporation

Valid from:
1/23/2015 6:00:00 PM

Valid to:
4/24/2016 6:59:59 PM

Subject:
CN=Rational Thought Solutions, O=Rational Thought Solutions, L=St. James, S=St. James, C=BB

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
00B81C1C4DB6AD87B9B581116F115E4C

File PE Metadata
Compilation timestamp:
6/6/2009 4:41:48 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:LOTzfY9EfXlS0P6tJ2vcjTNJuC0plkD2rlc5l5eOekFS9EfuG:crFXlTPK2kjhJuPg86H5ReCbuG

Entry address:
0x30CB

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, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9861

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://secured.cdnawbwest.us/.../H-Alarm-Setup.exe

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