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monarimobaapp.dll

monarimo

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

MD5:
ae2b9a2bb3970b183eef525d1445ca6f

SHA-1:
0db7d01f43b9c1ad4f628b1b2aaa7caa1aff2dd0

SHA-256:
da419f0506b2d04f2be39119b569ff027570b40910a80639f1f1d9757fa86b7e

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:
5/7/2024 10:35:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.monarimo (M)
16.2.8.7

File size:
190.8 KB (195,360 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\monarimo\bin\monarimobaapp.dll

Digital Signature
Signed by:
monarimo

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 5:30:00 AM

Valid to:
11/15/2014 5:29:59 AM

Subject:
CN=monarimo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=monarimo, 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:
3F5946CA78860098A69F09EC75633A97

File PE Metadata
Compilation timestamp:
7/24/2014 12:55:49 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:h3A11Je0OVsR00frsTbnFe/UpM1qLZ+GQ+1m2E/TJL9QbPa5jxpkE:h3Qa0lOnFe/+pZ+G/1m2cTzQbCJj3

Entry address:
0x11CBD

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 71, 7C, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, D0, 45, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 34, 40, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Entropy:
6.5544

Code size:
140 KB (143,360 bytes)

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