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helper.dll

Big Water Applications, LLC

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 Big Water Applications has been detected as adware by 13 anti-malware scanners. According to AVG, this software downloads additional adware offers during setup. It is also typically executed from the user's temporary directory.
Publisher:
Big Water Applications, LLC  (signed and verified)

MD5:
b35ea56bad9de54d7483efd98a2842dd

SHA-1:
3981a34fab8cf340395ecd4ea23defa182ca8c15

SHA-256:
f02791fb90780019264c74e5cf69290066432007fb907b6d3b3f315de32cac6b

Scanner detections:
13 / 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:
9/16/2024 6:40:29 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.PullUpdate
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen
7.11.182.222

AVG
Downloader
2016.0.3212

Baidu Antivirus
Adware.MSIL.PullUpdate
4.0.3.1521

Comodo Security
ApplicUnwnt
19984

ESET NOD32
MSIL/Adware.PullUpdate (variant)
9.10662

Fortinet FortiGate
Adware/PullUpdate
2/1/2015

K7 AntiVirus
Adware
13.185.13888

McAfee
Artemis!B35EA56BAD9D
5600.6868

NANO AntiVirus
Riskware.Win32.Graftor.dbdqim
0.28.6.62995

Qihoo 360 Security
Win32/Trojan.f4e
1.0.0.1015

Reason Heuristics
PUP.Injekt
15.2.1.12

VIPRE Antivirus
MSIL.Adware.PullUpdate
34478

File size:
1.2 MB (1,308,488 bytes)

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
Big Water Applications, LLC

Authority:
VeriSign, Inc.

Valid from:
5/27/2014 8:00:00 PM

Valid to:
5/28/2015 7:59:59 PM

Subject:
CN="Big Water Applications, LLC", O="Big Water Applications, LLC", L=La Jolla, S=California, C=US

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:
0C8B8C8404BDAF0C09C54486BDE81E2C

File PE Metadata
Compilation timestamp:
6/5/2014 10:14:19 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:8N4z37KGXcwPfasTa3e3kUbBQaHdi03CBEAbhvwvWSnUUAvZ11h75MVx:8U+GXVfasTa3e3kU9d38bhv8WSnUUCZm

Entry address:
0xD3C5D

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 17, DD, 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, E8, D1, 11, 10, E8, 64, 6A, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 58, DF, 12, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 80, 23, 10, 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:
6.5923

Developed / compiled with:
Microsoft Visual C++

Code size:
1016.5 KB (1,040,896 bytes)

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