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acerace.gcupdate.dll

Bold Letters

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

Version:
1.0.5782.9551

MD5:
f6a2bdf29d4a680cb63196671c197549

SHA-1:
866267dd99079e1c6f834c2ce15314908cfd9c31

SHA-256:
c8b1710fefe33c66f25d5e6eab2a54813aab3a4e224500e49005c66520719791

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
2/26/2025 5:21:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.2.27.17

File size:
1.5 MB (1,582,808 bytes)

Product version:
1.0.5782.9551

Original file name:
2015103113.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\ace race\bin\plugins\acerace.gcupdate.dll

Digital Signature
Signed by:
Bold Letters

Authority:
VeriSign, Inc.

Valid from:
4/30/2015 3:00:00 AM

Valid to:
4/30/2016 2:59:59 AM

Subject:
CN=Bold Letters, O=Bold Letters, 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:
3AFFEE40CC90699657B10CBDCE8427C6

File PE Metadata
Compilation timestamp:
10/31/2015 4:18:27 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x1824C6

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, 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...
 
[+]

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

Code size:
1.5 MB (1,574,400 bytes)

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