opticalsurf.gcupdate.dll

Optical Surf

This is the Google Chrome extension manager/updater for the Yontoo Optical Surf branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module opticalsurf.gcupdate.dll by Optical Surf has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Optical Surf  (signed and verified)

Version:
1.0.5769.28346

MD5:
2ed8e6a1494045538a59b27bf50a946a

SHA-1:
addcecafa517e301a6532e85e8d181107aef1289

SHA-256:
a29405a30e32fe71e2445f28b8257cb3c6ba14b30bcab494de1daf5db4e2fc19

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
11/27/2024 5:13:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.22

File size:
1.5 MB (1,624,312 bytes)

Product version:
1.0.5769.28346

Original file name:
2015101823.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\optical surf\bin\plugins\opticalsurf.gcupdate.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/17/2014 7:00:00 AM

Valid to:
12/18/2015 6:59:59 AM

Subject:
CN=Optical Surf, O=Optical Surf, 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:
373EFE200D490F79B1E099C7683F2A7C

File PE Metadata
Compilation timestamp:
10/19/2015 6:44:53 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x18C7AE

Entry point:
FF, 25, 00, 20, 00, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
1.5 MB (1,615,872 bytes)

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