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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 as well as modify the computer’s system settings that control applications to run on startup. Part of the Injekt brand of unwanted programs. The module helper.dll 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. It is also typically executed from the user's temporary directory.
Publisher:
Rational Thought Solutions  (signed and verified)

MD5:
59f18c326d4d56ba131e246382150ea8

SHA-1:
35784abecccd9c9b8806e11d4fe6345109c69065

SHA-256:
aefd43007cb6caca4b6fea773adeea574ebf48c1922e6f9321be1f97788b5b49

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:
11/27/2024 7:29:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt (M)
16.10.31.2

File size:
1.3 MB (1,382,776 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:
3/17/2014 1:00:00 AM

Valid to:
3/18/2015 12:59:59 AM

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:
11/24/2014 6:18:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:L2HyCQIOvrLCljdM1HiJJX2ArcD7Ijq+M1wP84cizr0cHlkQfsnI+BjQO2KT:L2+IOzLKjdM1HiJJXmMrMQ8AzAIlkQfM

Entry address:
0xE09D4

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 10, DF, 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, 60, C7, 12, 10, E8, 6D, 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, 08, 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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
1.1 MB (1,104,384 bytes)

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