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k30vkjon.jht

PowerfulBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file k30vkjon.jht by PowerfulBrowse has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
PowerfulBrowse  (signed and verified)

Version:
1.0.6242.39491

MD5:
eb57493f92fc8c0694db06ac852984f9

SHA-1:
95c508d6254ba809f99f1930d6a2b4ba82ddb5a5

SHA-256:
902ccee2ba3d9e35b54f35dd5cf8242c4e00b2e7ca002d4d541702c4682cd4d0

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/5/2025 9:21:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.9.3.9

File size:
112.7 KB (115,448 bytes)

Product version:
1.0.6242.39491

Language:
English (United States)

Common path:
C:\Program Files\powerfulbrowse\bin\k30vkjon.jht

Digital Signature
Signed by:
PowerfulBrowse

Authority:
VeriSign, Inc.

Valid from:
3/17/2015 7:00:00 PM

Valid to:
5/16/2016 6:59:59 PM

Subject:
CN=PowerfulBrowse, O=PowerfulBrowse, 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:
5BD9F675D1AB6190F2C5638516563F26

File PE Metadata
Compilation timestamp:
4/16/2016 9:24:14 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:OY5/Ze0QJVeChmV4vGjkoZQOGVjLKpRUk249qfCnRavF/iPbnlVHGl3V5fpn4Fq:VaTq9je5GR6Y8Z0lVmll5fp4o

Entry address:
0x74C7

Entry point:
E8, AE, 47, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, AC, 43, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, CC, 40, 41, 00, C9, C2, 08, 00, B8, BF, C7, 40, 00, A3, D0, 9A, 41, 00, C7, 05, D4, 9A, 41, 00, B5, BE, 40, 00, C7, 05, D8, 9A, 41, 00, 69, BE, 40, 00, C7, 05, DC, 9A, 41, 00, A2, BE, 40, 00, C7, 05...
 
[+]

Entropy:
6.4078

Code size:
74.5 KB (76,288 bytes)

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