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clockhand.purbrowse.exe

Clock Hand

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application clockhand.purbrowse.exe by Clock Hand has been detected as adware by 32 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)

MD5:
74098d069ade1cf0de341e8a80628f3a

SHA-1:
1adf3de975bb35850f8afb707c9db2f8d8a63e89

SHA-256:
75fc3c80524e54fabfbfd38560181204e8b59d766235cb664b80ba4c80ca7c94

Scanner detections:
32 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/23/2024 1:24:53 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Jaik.5645
6209648

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.04.02

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.211.174

avast!
MSIL:BrowseFox-BA [PUP]
150319-1

AVG
Generic
2016.0.3152

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1541

Bitdefender
Gen:Variant.Adware.Jaik.5645
1.0.20.455

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-1101
0.98/20275

Comodo Security
Application.Win32.AltBrowse.ZPGI
21147

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Jaik.5645
9.0.0.4799

ESET NOD32
Win32/NetFilter.A potentially unsafe application
7.0.302.0

F-Prot
W32/S-4dc21c6d
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.Jaik
5.13.68

G Data
Gen:Variant.Adware.Jaik.5645
15.4.25

herdProtect (fuzzy)
variant of nod6bde.tmp (Adware)
2015.7.6.10

K7 AntiVirus
Trojan
13.202.15452

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Kranet
14.0.0.2257

McAfee
Program.BrowseFox-FVX
16.8.708.2

MicroWorld eScan
Gen:Variant.Adware.Jaik.5645
16.0.0.273

NANO AntiVirus
Trojan.Win32.BPlug.dnpvno
0.30.8.659

nProtect
Trojan-Clicker/W32.Kranet.296688
15.04.01.01

Panda Antivirus
Trj/CI.A
15.07.06.10

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.4.1.14

Rising Antivirus
PE:Adware.SwiftBrowse!6.1B4E
23.00.65.15330

Sophos
Browse Fox
4.98

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Threat.4741131
38882

Zillya! Antivirus
Backdoor.PePatch.Win32.64142
2.0.0.2123

File size:
289.7 KB (296,688 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\clock hand\bin\clockhand.purbrowse.exe

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 4:38:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:EbkyGUHUG1OjdpUalGhZB2OtvYTBQNslKS0fRn:wkyGUHUfjdpUalGhZB2OtvYTuFS0fZ

Entry address:
0x2150E

Entry point:
E8, 45, 84, 00, 00, E9, 95, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 88, 34, 44, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 8C, 34, 44, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, F4, 51, 00, 00, 85, C0, 75, 06, B8, F0, 35, 44, 00, C3, 83, C0, 08, C3, E8, E1, 51, 00, 00, 85, C0, 75, 06, B8, F4, 35, 44, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Entropy:
6.6044

Code size:
211 KB (216,064 bytes)

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