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PortalMore.GCUpdate.dll

PortalMore

This is the Google Chrome extension manager/updater for the Yontoo PortalMore branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module PortalMore.GCUpdate.dll by PortalMore has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
PortalMore  (signed and verified)

Version:
1.0.5417.19404

MD5:
5f9aa37ae5cc0b42856ffa11cd575f15

SHA-1:
9679d00f535492832c592aec9b33fd4125619e06

SHA-256:
ef11fb52e35708016abc296de0048c45b6b6710c2ef1f516b61fdfebc25a9ea4

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/23/2024 12:17:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.PortalMore.S
14.11.1.11

File size:
1.6 MB (1,648,880 bytes)

Product version:
1.0.5417.19404

Original file name:
PortalMore.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\portalmore\bin\plugins\portalmore.gcupdate.dll

Digital Signature
Signed by:
PortalMore

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 8:00:00 PM

Valid to:
10/8/2015 7:59:59 PM

Subject:
CN=PortalMore, O=PortalMore, 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:
14DCC59945E4B46B41587E1F633D56C1

File PE Metadata
Compilation timestamp:
10/31/2014 2:46:53 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:ufvBXuXzwkEukZ09yobulsr0SCiQyzCQ3J4dcaZgFKTNYPcx0Txfsyf3wLOm6sF/:GoQ+aZgAkTKyv+WS5SddeFWtc

Entry address:
0x192572

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, 6F, 00, 00, 00, B4, 25, 19, 00, B4, 07, 19, 00, 52, 53, 44, 53, A0, 5C, CE, 63, DA, 46, D9, 48, 90, 48, 33, 29, 6E, 02, B8, 29, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 35, 75, 32, 35, 73, 71, 71, 34, 2E, 72, 72, 65, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.3228

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

Code size:
1.6 MB (1,640,448 bytes)

Remove PortalMore.GCUpdate.dll - Powered by Reason Core Security
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