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clockhand.gcupdate.dll

Clock Hand

This is the Google Chrome extension manager/updater for the Yontoo Clock Hand branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module clockhand.gcupdate.dll by Clock Hand has been detected as adware by 14 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:
Clock Hand  (signed and verified)

Version:
1.0.5568.36958

MD5:
2a9a1c92cd182e6bd223eaacb0fa7cd6

SHA-1:
15c3b24a2de8b6ad924353d28f7cdc438ef806be

SHA-256:
f0497a817a8ad1f328acb7dee3cdb50ce1427f8ff83960db0e3f464c093fb3b0

Scanner detections:
14 / 68

Status:
Adware

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

Analysis date:
4/23/2024 10:41:11 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
MSIL:BrowseFox-BA [PUP]
2014.9-150401

AVG
Generic
2016.0.3152

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.1541

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1734
9.0.1.091

ESET NOD32
MSIL/BrowseFox.G potentially unwanted (variant)
9.11409

F-Prot
W32/S-5d625b95
v6.4.7.1.166

Malwarebytes
PUP.Optional.Sanbreel.A
v2015.04.01.02

McAfee
BrowseFox-FUT
5600.6808

NANO AntiVirus
Riskware.Win32.BPlug.djpkri
0.30.8.659

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
Adware.Yontoo.ClockHand
15.4.1.14

Sophos
Browse Fox
4.98

VIPRE Antivirus
Yontoo
38958

File size:
1.4 MB (1,510,640 bytes)

Product version:
1.0.5568.36958

Original file name:
ClockHand.GCUpdate2015040104.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\clock hand\bin\plugins\clockhand.gcupdate.dll

Digital Signature
Signed by:
Clock Hand

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 2:00:00 AM

Valid to:
1/12/2016 1:59:59 AM

Subject:
CN=Clock Hand, O=Clock Hand, 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:
456A42223C623741F26F18A9D4223E47

File PE Metadata
Compilation timestamp:
4/1/2015 7:32:23 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:l6Jfiu+pS0+M3tb0pvaep5ZTDDllsQUfIKKuZAP2TQxMJS1y1srUlfM:zu/0J3tCieDB/sQxKbjEKsrcM

Entry address:
0x170B6E

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...
 
[+]

Entropy:
6.8548

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

Code size:
1.4 MB (1,502,208 bytes)

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