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norpalla.purbrowse.exe

Norpalla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application norpalla.purbrowse.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)

MD5:
b739a972b028b61100facc30db52723e

SHA-1:
2d39815881f5ae3e8282f4d0146b10f7a9422682

SHA-256:
8be0c802127e0ce346f630ae43cb0957d3b3ca8e2fd2f2bcdc543a4bfc01dfab

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:
4/19/2024 8:32:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.3

File size:
289.3 KB (296,224 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\norpalla\bin\norpalla.purbrowse.exe

Digital Signature
Signed by:
Norpalla

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 9:00:00 AM

Valid to:
2/5/2015 8:59:59 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:
10/17/2014 8:40:49 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

Entry address:
0x213AE

Entry point:
E8, 55, 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, 04, 52, 00, 00, 85, C0, 75, 06, B8, F0, 35, 44, 00, C3, 83, C0, 08, C3, E8, F1, 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:
6.6036

Code size:
210.5 KB (215,552 bytes)

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