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Rolimno.OfSvc.dll

Rolimno

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

Version:
1.0.5414.31654

MD5:
1f67a5fcd6a35248642f2edeb364c1e7

SHA-1:
ca7b16c8ee0826556fec2d93b77828560474054d

SHA-256:
63b40a1bdca5a025cb6cf74edabd8972508ebe434fef4331f67b94377a6ae1e8

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 3:39:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.9

File size:
1.4 MB (1,418,520 bytes)

Product version:
1.0.5414.31654

Original file name:
Rolimno.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\rolimno\bin\plugins\rolimno.ofsvc.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:
10/29/2014 12:05:19 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x15A3C2

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, 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...
 
[+]

Entropy:
7.7974

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

Code size:
1.3 MB (1,410,048 bytes)

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