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grassmow.findlib.dll

grassmow

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

Version:
1.0.6010.15593

MD5:
6e91607c59ddeb292c3f87f699927050

SHA-1:
c6826cc411a0cab7bf5cfb531d26e4960abe2586

SHA-256:
2593e187015dda889fb3b5df2d87ca39062fb003b608221aac78364e34a96dbd

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 1:00:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.12.6.23

File size:
1.3 MB (1,348,848 bytes)

Product version:
1.0.6010.15593

Original file name:
2016061516.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\grassmow\bin\plugins\grassmow.findlib.dll

Digital Signature
Signed by:
grassmow

Authority:
VeriSign, Inc.

Valid from:
4/23/2015 9:00:00 AM

Valid to:
6/22/2016 8:59:59 AM

Subject:
CN=grassmow, O=grassmow, 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:
6097683DE3EA69DB932CBE8A09BDCA90

File PE Metadata
Compilation timestamp:
6/16/2016 1:39:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x149282

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:
6.5266

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

Code size:
1.3 MB (1,340,416 bytes)

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