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rolimnobho.dll

Rolimno

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module rolimnobho.dll by Rolimno has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Rolimno’.
Publisher:
Rolimno  (signed and verified)

Product:
Rolimno

Version:
1.0.0.1

MD5:
26dd9dc80e40512ba78f927ce77063e9

SHA-1:
98c8517e0b1b81987adb53a74c38119130ce2ed5

SHA-256:
7fa29a21df3a426671b680b24a1b65e4c26cd59c16e07a39847128995a4a2a98

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:
4/19/2024 1:48:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.Rolimno (M)
16.2.13.18

File size:
145.8 KB (149,272 bytes)

Product version:
1.0.0.1

Copyright:
(c) Rolimno. All rights reserved.

Original file name:
RolimnoIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\rolimno\rolimnobho.dll

Digital Signature
Signed by:
Rolimno

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 5:30:00 AM

Valid to:
8/14/2015 5:29:59 AM

Subject:
CN=Rolimno, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Rolimno, 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:
0D2645238961D2084208FC4B5B89E7FD

File PE Metadata
Compilation timestamp:
8/31/2013 1:20:51 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:s5h4Sj8lom0B4Qsv5XVASAOsweQ7glNoY19MwdtEoc3vAsWjcdIuCPyaPNuSU+Q0:D0shFswRUNhtqXIuCPyaPNuSD7

Entry address:
0x9F04

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 60, 6B, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 80, E4, 01, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 10, 1D, 02, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 74, 8D, 01, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
6.3864

Developed / compiled with:
Microsoft Visual C++

Code size:
88.5 KB (90,624 bytes)

Internet Explorer BHO
Display name:
Rolimno

CLSID:
{9e875891-7854-4259-97ba-f4becaf516d0}


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