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Norpalla.exe

Norpalla

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

Version:
1.0.5383.12768

MD5:
35f6c11d443f0d08af46cdc077733f95

SHA-1:
59ea815697de775799600d13ed1cf6f23d1ee728

SHA-256:
eefe6c56c79e609416831d6784e712a03aaa51ce77504f7cee0dab89e5a2a8fe

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:
4/23/2024 10:21:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.15

File size:
509.8 KB (522,016 bytes)

Product version:
1.0.5383.12768

Original file name:
Norpalla.exe

Common path:
C:\Program Files\norpalla\bin\tmpe8b9.tmp

Digital Signature
Signed by:
Norpalla

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 4:00:00 AM

Valid to:
2/5/2015 3:59:59 AM

Subject:
CN=Norpalla, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Norpalla, 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:
3CF8FDC7B1329843A9D5EE18CBB6A945

File PE Metadata
Compilation timestamp:
9/27/2014 7:05:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F2DE

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, 5B, 00, 00, 00, 20, F3, 07, 00, 20, D5, 07, 00, 52, 53, 44, 53, 22, FC, 7B, 79, 35, 75, 07, 43, 91, 1F, 06, 9D, E6, 54, EB, CD, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 69, 78, 70, 76, 62, 34, 72, 33, 2E, 70, 35, 6E, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9440

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

Code size:
501 KB (513,024 bytes)

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