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CytiWeb.OptChecker.dll

Cyti Web

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

Version:
1.0.5508.394

MD5:
5c298a45bc5eef7b115b29b8fadf5781

SHA-1:
c7c24f0164f2435e460a89938af3c9475226b2dc

SHA-256:
06df4f0e111e06a56e1f00ea1308465edd42bd624838f54d2a85a88a2af103b4

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 10:22:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.2.2

File size:
872.7 KB (893,680 bytes)

Product version:
1.0.5508.394

Original file name:
CytiWeb.OptChecker.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\cyti web\bin\plugins\cytiweb.optchecker.dll

Digital Signature
Signed by:
Cyti Web

Authority:
VeriSign, Inc.

Valid from:
11/19/2014 5:00:00 AM

Valid to:
11/20/2015 4:59:59 AM

Subject:
CN=Cyti Web, O=Cyti Web, 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:
2EA907673DCE80C1AF3DAA010B4C3CA9

File PE Metadata
Compilation timestamp:
1/30/2015 1:13:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xDA18E

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:
6.0546

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

Code size:
864.5 KB (885,248 bytes)

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