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51b9c91c8e3840ae80de.dll

TasticSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 51b9c91c8e3840ae80de.dll by TasticSurf has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
TasticSurf  (signed and verified)

MD5:
30bf39778c3e785221652a6bd13dc62a

SHA-1:
cf0250ee6b4aeec4e73e02bdeb5b0d11705a5413

SHA-256:
d25c5d6b5507a10b802918f390d66b0cd73daa57a74e3c74f53a4e3f7d82a801

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:
5/20/2024 11:00:07 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.TasticSurf (M)
16.2.17.8

File size:
192.7 KB (197,360 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\advanceelite\bin\51b9c91c8e3840ae80de.dll

Digital Signature
Signed by:
TasticSurf

Authority:
VeriSign, Inc.

Valid from:
11/4/2014 5:00:00 AM

Valid to:
1/4/2016 4:59:59 AM

Subject:
CN=TasticSurf, O=TasticSurf, L=San Diego, 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:
6D2C37BF960997763055AC9274C52D6C

File PE Metadata
Compilation timestamp:
11/12/2014 7:40:38 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:cqm/7Z82CAy8+dnjJbyZi7w4VqhJj75AWx:cY2Cq2njJbyZi0CqhJ+Wx

Entry address:
0x115B2

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 5C, 90, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 9C, 53, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 34, 50, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Code size:
143.5 KB (146,944 bytes)

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