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Rolimno.GCUpdate.dll

Rolimno

This is the Google Chrome extension manager/updater for the Yontoo Rolimno branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module Rolimno.GCUpdate.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:
1.0.5414.35428

MD5:
1d095136fd9bfb597bbe68d605116361

SHA-1:
2f4984540b78bb898d452d9bed44a3f0ff54b4d5

SHA-256:
cfc6889b816a0aa0ab700e2c14ef5e4311505ca1fe37fc039e9ad0bd98fd2d4a

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
2/26/2025 5:04:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.12.9

File size:
1.6 MB (1,648,408 bytes)

Product version:
1.0.5414.35428

Original file name:
Rolimno.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\rolimno\bin\plugins\rolimno.gcupdate.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 9:11:02 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x19248E

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, 02, 00, 00, 00, 6C, 00, 00, 00, D0, 24, 19, 00, D0, 06, 19, 00, 52, 53, 44, 53, 64, 41, 8B, 6F, C0, 6A, 05, 46, A7, C3, 3E, 11, 16, 9B, DD, 00, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 78, 6F, 34, 70, 79, 62, 74, 33, 2E, 77, 6C, 6E, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.3251

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

Code size:
1.6 MB (1,639,936 bytes)

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