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dolphindeals.dll

Dolphin Deals

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module dolphindeals.dll by Dolphin Deals has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from install-cdn.sqeedolphindeals.com.
Publisher:
Dolphin Deals  (signed and verified)

Product:
Dolphin Deals

Version:
1.0.0.3

MD5:
8a7b6bf3e7213057187ffaf73feae313

SHA-1:
8f6508832c5a3b369d458543417947decf6f81d9

SHA-256:
e9c2835948c3fc935aab65b58c8c6aca704360bb37de738217d8d270c843aa4c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/23/2024 5:51:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.DolphinD (M)
16.4.20.3

File size:
244.8 KB (250,664 bytes)

Product version:
1.0.0.3

Copyright:
(c) Dolphin Deals. All rights reserved.

Original file name:
Dolphin DealsIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\dolphindeals.dll

Digital Signature
Signed by:
Dolphin Deals

Authority:
VeriSign, Inc.

Valid from:
4/29/2014 2:00:00 AM

Valid to:
4/30/2015 1:59:59 AM

Subject:
CN=Dolphin Deals, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Dolphin Deals, L=Santa Monica, 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:
7B2BB0FC5A785F21B05232FFFBC2969A

File PE Metadata
Compilation timestamp:
11/8/2014 12:31:57 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:BcComUYGTC4sAaPHSSESTtXvqcQppWx+iaIaIysVO8Acl7Vq:B3UYGTC7AlShQwKI3VDAcl7Q

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 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, A0, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 44, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 2C, A5, 02, 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:
6.3554

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

The file dolphindeals.dll has been seen being distributed by the following URL.

http://install-cdn.sqeedolphindeals.com/bed?bet=3

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