utillemurleap.exe

Lemurleap

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utillemurleap.exe by Lemurleap has been detected as adware by 5 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update LemurLeap”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
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Publisher:
Lemurleap  (signed and verified)

Version:
1.0.5273.24133

MD5:
8a08060a7abb3136d169be3686d08295

SHA-1:
9967d30b493f212d7f1a4ed2a9176e1a1c1263b3

SHA-256:
086d601c18c05f48e32e0b3593b6a69de5fbbef74fd90ea12843069fd0db90a0

Scanner detections:
5 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
12/5/2016 11:34:55 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Lemurleap
2015.0.3447

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14610

ESET NOD32
Win32/BrowseFox (variant)
8.9923

Malwarebytes
PUP.Optional.LemurLeap.A
v2014.06.10.02

Reason Heuristics
PUP.Service.Lemurleap.N
14.8.7.21

Remove utillemurleap.exe - Powered by Reason Core Security
File size:
309.9 KB (317,352 bytes)

Product version:
1.0.5273.24133

Original file name:
LemurLeap.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\lemurleap\bin\utillemurleap.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
5/7/2014 2:00:00 AM

Valid to:
5/8/2015 1:59:59 AM

Subject:
CN=Lemurleap, O=Lemurleap, STREET=10620 Treena Street Suite 230, L=San Diego, S=Ca, PostalCode=92131, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
015F3E368C995EC152965B1AABC50D9E

File PE Metadata
Compilation timestamp:
6/9/2014 4:24:40 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:MkmBn8tIqfspNkRoWkiI2sM8db2Kq+8eubFA:MkmBSIqfokRo7J2X4

Entry address:
0x4D5DE

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, D8, 02, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 50, 00, 00, 00, 5C, E0, 04, 00, 7C, 02, 00, 00, 00, 00, 00, 00, 7C, 02...
 
[+]

Entropy:
6.0908

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

Code size:
301.5 KB (308,736 bytes)

Service
Display name:
Update LemurLeap

Type:
Win32OwnProcess


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