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helper.dll

Rational Thought Solutions

This is part of an adware program designed to inject advertising in the web browser (banners, text-links) as well as modify the normal behavior of the browser. Part of the Injekt brand of unwanted programs. The module helper.dll by Rational Thought Solutions has been detected as adware by 8 anti-malware scanners. It is also typically executed from the user's temporary directory.
Publisher:
Rational Thought Solutions  (signed and verified)

MD5:
77f46fa147666fc1683536b1fd2d6bce

SHA-1:
c1e29962dbfd2ad6bff613b1afca30bdff2669df

SHA-256:
e37310747458e6147f00634b046a6de271f4fdc958aeb0053585c33c04ddb975

Scanner detections:
8 / 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:
4/19/2024 1:34:47 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.PullUpdate
7.1.1

Comodo Security
ApplicUnwnt
20116

ESET NOD32
MSIL/Adware.PullUpdate (variant)
8.10739

K7 AntiVirus
Unwanted-Program
13.185.14042

Malwarebytes
PUP.Optional.StormAlert.A
v2014.11.22.12

Qihoo 360 Security
HEUR/QVM30.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.RationalThoughtSolutions.G
14.11.22.0

Trend Micro House Call
Suspicious_GEN.F47V1114
7.2.326

File size:
1.3 MB (1,383,288 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\helper.dll

Digital Signature
Signed by:
Rational Thought Solutions

Authority:
VeriSign, Inc.

Valid from:
3/16/2014 8:00:00 PM

Valid to:
3/17/2015 7:59:59 PM

Subject:
CN=Rational Thought Solutions, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Rational Thought Solutions, L=St. James, S=St. James, C=BB

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
14448451C4ACAC4A2AACA637288DB659

File PE Metadata
Compilation timestamp:
10/23/2014 7:04:26 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:GCwjmyGQnR2Wjh6zZmO/YHUbfv5knIj7UQ6OddNcRZfi:GCgGQR2Ah6zZmO/YHIRnUQ6Oj6RZfi

Entry address:
0xE0B27

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, FD, DE, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 70, C7, 12, 10, E8, 5A, 6A, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 98, E0, 13, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 48, 14, 11, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
6.5861

Developed / compiled with:
Microsoft Visual C++

Code size:
1.1 MB (1,104,896 bytes)

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