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setup.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 setup.exe by Rational Thought Solutions has been detected as adware by 10 anti-malware scanners. 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 e46m3.vanoshield.com.
Publisher:
Rational Thought Solutions  (signed and verified)

MD5:
df03a8ddd480b55cd003de36180fc856

SHA-1:
58418f55df70cec1ac1a0abb70fbe58ab9cfb857

SHA-256:
54ae359ecf6aaaf424610dfd7b39e1fc84e5cd4f14c813a7826a99ac41782416

Scanner detections:
10 / 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:
4/30/2024 3:58:00 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen7
8.3.1.6

AVG
Generic
2016.0.3028

Baidu Antivirus
Adware.MSIL.PullUpdate
4.0.3.1584

Bkav FE
W32.HfsAdware
1.3.0.6979

Dr.Web
Adware.Yontoo.68
9.0.1.0216

ESET NOD32
MSIL/Adware.PullUpdate.J.gen (variant)
9.12036

Kaspersky
not-a-virus:AdWare.MSIL.PullUpdate
14.0.0.1634

Malwarebytes
PUP.Optional.PullUpdate.A
v2015.08.04.05

NANO AntiVirus
Riskware.Nsis.Yontoo.dqgtsc
0.30.24.2668

Reason Heuristics
PUP.Injekt.RationalThoughtSolutions.Installer (M)
15.8.4.5

File size:
4.1 MB (4,247,656 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\ghzjhw1ozw\setup.exe

Digital Signature
Signed by:
Rational Thought Solutions

Authority:
Symantec Corporation

Valid from:
1/23/2015 3:00:00 PM

Valid to:
4/24/2016 3:59:59 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 1:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:uQE05XOITg/441BNShjR2M297c9PrpKNXUz5JtMUhY8w:uQEaDs4/hjsM9PdPtMCq

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:
7.9993

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://e46m3.vanoshield.com/cpa/.../Setup.exe

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