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constasurf.gcupdate.dll

ConstaSurf

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

Version:
1.0.5533.18486

MD5:
b41595cc44f7f5c4aae434817ce126c2

SHA-1:
81097e99b268682bf827213a523d38ed1451df36

SHA-256:
fa5efa2cca31c167f45a75ae1b11eec1d3a033e290c66099d4bedff0338584f5

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
12/23/2024 11:42:43 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.6.5

File size:
1.4 MB (1,460,512 bytes)

Product version:
1.0.5533.18486

Original file name:
ConstaSurf.GCUpdate2015022418.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\constasurf\bin\plugins\constasurf.gcupdate.dll

Digital Signature
Signed by:
ConstaSurf

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 12:00:00 AM

Valid to:
3/19/2015 11:59:59 PM

Subject:
CN=ConstaSurf, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ConstaSurf, 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:
46A82C62F93896A2C29C94EC6C4D8A3D

File PE Metadata
Compilation timestamp:
2/24/2015 6:16:31 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x1646A2

Entry point:
FF, 25, 00, 20, 40, 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, 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...
 
[+]

Entropy:
6.8127

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

Code size:
1.4 MB (1,452,032 bytes)

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