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lemurleap.purbrowse.dll

LemurLeap

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

Version:
1.0.5682.15471

MD5:
36ee649c8147a241a42a0c4b3d931c2b

SHA-1:
269a31f8914e0d78b6b3c3b5994b46261debb916

SHA-256:
2c51eca23661f5d85edef5f847717c7df9bc78c7f05aaecf4fb92283088f63f0

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:
4/25/2024 9:57:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.LemurLeap (M)
16.2.11.23

File size:
840.3 KB (860,448 bytes)

Product version:
1.0.5682.15471

Original file name:
2015072316.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\lemurleap\bin\plugins\lemurleap.purbrowse.dll

Digital Signature
Signed by:
LemurLeap

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 3:00:00 AM

Valid to:
8/14/2015 2:59:59 AM

Subject:
CN=LemurLeap, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=LemurLeap, 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:
59846B2F05AAAD396A7E942BF33F16B3

File PE Metadata
Compilation timestamp:
7/23/2015 7:35:43 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:PWArrwiBavKK/E4ax2BKk5yq6FYxXEKtkw+oaUcnGmUeSLztRsvy:PWyzavKAbppxUKH+7nZ

Entry address:
0xD1FEE

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, 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, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 58, 20, 0D, 00, 84, 02, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, 02, 34, 00, 00, 00, 56, 00, 53, 00, 5F, 00, 56, 00, 45, 00, 52, 00, 53, 00, 49, 00...
 
[+]

Entropy:
7.2787

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

Code size:
832 KB (851,968 bytes)

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