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kozaka.purbrowse64.exe

kozaka

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application kozaka.purbrowse64.exe by kozaka has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
kozaka  (signed and verified)

MD5:
6cbed2939927d23af3790d5fa867005a

SHA-1:
cc5db85018a9c902c06738af231eb797ce528e80

SHA-256:
93ca75c7d774bd0eed46a521e77262996abe7e3beb61d2fbf95673c90b3a6ce2

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:
11/23/2024 3:30:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.1.29.11

File size:
341.8 KB (349,976 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\kozaka\bin\kozaka.purbrowse64.exe

Digital Signature
Signed by:
kozaka

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 5:30:00 AM

Valid to:
10/8/2014 5:29:59 AM

Subject:
CN=kozaka, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=kozaka, 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:
1B38C0B5B092B91BC43EB30DCF78B962

File PE Metadata
Compilation timestamp:
9/10/2014 3:23:44 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

Entry address:
0x25110

Entry point:
48, 83, EC, 28, E8, 77, 94, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, 25, A5, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, DB, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, 37, A6, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Entropy:
6.2944

Code size:
230.5 KB (236,032 bytes)

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