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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 6 anti-malware scanners. It is also typically executed from the user's temporary directory.
Publisher:
Big Water Applications, LLC  (signed and verified)

MD5:
6125947f018ecbf489ade3e83f3c751c

SHA-1:
5a2bfdfdb36b76cadd5ced3c7302e6a2cebfbf73

SHA-256:
ef65dc42e5954939cf845092f828b2a9f4550396ae1c3e13e4502a887df570b3

Scanner detections:
6 / 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:
4/25/2024 8:47:46 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.PullUpdate
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen
7.11.179.162

ESET NOD32
MSIL/Adware.PullUpdate.A application
7.0.302.0

NANO AntiVirus
Trojan.Win32.Generic.cymwjj
0.28.2.62671

Reason Heuristics
PUP.BigWaterApplications.G
14.10.19.18

VIPRE Antivirus
Threat.4784449
33706

File size:
1.3 MB (1,350,248 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:
COMODO CA Limited

Valid from:
4/21/2013 8:00:00 PM

Valid to:
4/22/2014 7:59:59 PM

Subject:
CN="Big Water Applications, LLC", O="Big Water Applications, LLC", STREET=640 Grand Ave, STREET=Suite E, L=Carlsbad, S=CA, PostalCode=92008, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
0088DD6A4DF46D819C84B9E99D7A0530C5

File PE Metadata
Compilation timestamp:
12/17/2013 8:58:43 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:DX+OXVhHCBbGJHqjGFIvoGSdzjNBe/YmMq:DlVhHCBbGe0LGS9jNBe/YmMq

Entry address:
0xDB6ED

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 97, E9, 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, B8, 5F, 12, 10, E8, 64, 6A, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 58, 73, 13, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 4C, A3, 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:
1 MB (1,075,712 bytes)

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