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utilpowerfulbrowse.exe

PowerfulBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilpowerfulbrowse.exe by PowerfulBrowse has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Update PowerfulBrowse”.
Publisher:
PowerfulBrowse  (signed and verified)

Version:
1.0.5391.31584

MD5:
22f78caafa999759bc7757d8e3172a98

SHA-1:
01a9024008d249669030dd58f576e1de58fbea64

SHA-256:
2a8ac1e6cad130b42cae0c14af39aa2c073ebf8b43492e8bcfd648a59fc0a95e

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:
4/18/2024 11:09:34 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.11.29.12

File size:
510.3 KB (522,536 bytes)

Product version:
1.0.5391.31584

Original file name:
PowerfulBrowse.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\powerfulbrowse\bin\utilpowerfulbrowse.exe

Digital Signature
Signed by:
PowerfulBrowse

Authority:
VeriSign, Inc.

Valid from:
3/29/2014 8:00:00 AM

Valid to:
3/30/2015 7:59:59 AM

Subject:
CN=PowerfulBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
0D18FDCF326B0F33033260BCD44C1918

File PE Metadata
Compilation timestamp:
10/6/2014 9:32:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:CclZ4K9zZ1y1DrHvcjeuSCTpPXLzBKSUz+95:CwZdYLCTpAjzm

Entry address:
0x7F49E

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, 61, 00, 00, 00, E0, F4, 07, 00, E0, D6, 07, 00, 52, 53, 44, 53, 1D, 23, D6, 26, E4, 30, E3, 40, 88, D5, DB, 43, D3, 1B, B6, 21, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 34, 31, 76, 6D, 73, 71, 7A, 78, 2E, 34, 6E, 65, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9227

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

Code size:
501.5 KB (513,536 bytes)

Service
Display name:
Update PowerfulBrowse

Type:
Win32OwnProcess


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