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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. Part of the Injekt brand of unwanted programs. The module helper.dll by Big Water Applications has been detected as adware by 10 anti-malware scanners. It is also typically executed from the user's temporary directory.
Publisher:
Big Water Applications, LLC  (signed and verified)

MD5:
bdc3935cf8c3342de89fa1bbf619e636

SHA-1:
6970fd94114c3dcc4e7d645dc288691499ee3966

SHA-256:
e5896e74dc7861cde1ee73a3ece5f2fcd7191fbe2efafc9d5f5625a62e42d559

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:
12/25/2024 1:16:52 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Graftor.143453
909

Agnitum Outpost
PUA.PullUpdate
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen
7.11.158.56

Bitdefender
Gen:Variant.Adware.Graftor.143453
1.0.20.1105

Emsisoft Anti-Malware
Gen:Variant.Adware.Graftor.143453
8.14.08.09.01

ESET NOD32
MSIL/Adware.PullUpdate (variant)
8.10036

F-Secure
Gen:Variant.Adware.Graftor.143453
11.2014-09-08_7

G Data
Gen:Variant.Adware.Graftor.143453
14.8.24

MicroWorld eScan
Gen:Variant.Adware.Graftor.143453
15.0.0.663

Reason Heuristics
PUP.BigWaterApplications.G
14.8.9.13

File size:
1.2 MB (1,310,536 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:
6/18/2014 5:58:46 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:mS5ATH/kJFXDdZGl/BczyA8I9TH+TIjAyFuBwmxWCxwKYwPbZLaf9:m+a/GFXDdZGl/Bck2kFyF09xVxwfwPd+

Entry address:
0xD3E6D

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 1A, 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, 10, D2, 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, A0, 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:
6.5888

Developed / compiled with:
Microsoft Visual C++

Code size:
1017.5 KB (1,041,920 bytes)

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