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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 6 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
PortalMore  (signed and verified)

Version:
1.0.5416.39324

MD5:
9fbd806263f39525362fc1136d6aca07

SHA-1:
586d9331925b41c3bac6788ca81eb9fa00639f32

SHA-256:
7175bdeb449bdbde246b20f7376ba357c6adfb4cae343f72ce3546516a76ac37

Scanner detections:
6 / 68

Status:
Adware

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

Analysis date:
4/23/2024 1:43:44 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
PortalMore
2015.0.3305

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.141031

ESET NOD32
MSIL/BrowseFox (variant)
8.10648

F-Prot
W32/A-44ec90a9
v6.4.7.1.166

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.8.3.0

Reason Heuristics
Adware.Yontoo.PortalMore.S
14.10.31.4

File size:
1.6 MB (1,648,368 bytes)

Product version:
1.0.5416.39324

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:
10/8/2014 3:00:00 AM

Valid to:
10/9/2015 2:59:59 AM

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 8:51:08 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:zdZq1bmeCCeRaFAuT0leiuXykJ4pYaZgJ+5NYueBXFu2jn8uF99VpAQJVz6bqz65:XiaZgJ+ixFuOTfjpAcJGu+Cxzgd

Entry address:
0x1923D6

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, 18, 24, 19, 00, 18, 06, 19, 00, 52, 53, 44, 53, 78, EC, 0B, 02, D3, 11, 58, 45, 82, CF, 0A, D2, 74, AD, 0E, 44, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 31, 77, 31, 6C, 73, 6A, 6F, 66, 2E, 35, 61, 74, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.3206

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

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

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