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constasurf.boashelper.exe

ConstaSurf

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

MD5:
8c47d63f614deebe47ba75abf6f0c3c2

SHA-1:
81852c66dc37b26eb99eeb2fe2a20d7ebd244d21

SHA-256:
7c585c3dfb54887391e8fd0c9dcbd6c3bdb6b83627839c88c4dffcb8f4a1a7ca

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:
4/26/2024 3:50:19 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.ConstaSurf (M)
16.2.14.18

File size:
1.6 MB (1,649,952 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\constasurf\bin\constasurf.boashelper.exe

Digital Signature
Signed by:
ConstaSurf

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 8:00:00 AM

Valid to:
3/20/2015 7:59:59 AM

Subject:
CN=ConstaSurf, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ConstaSurf, 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:
46A82C62F93896A2C29C94EC6C4D8A3D

File PE Metadata
Compilation timestamp:
1/11/2015 5:34:44 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:LFwpANimTLC05fyW4II6yg648L3W2I8jeCm7+aXzppnfaL3b8P:Ji6C0YW4INyg648L3WP8qXXtpnfaXq

Entry address:
0xF6B5B

Entry point:
E8, CC, 84, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 53, 8B, 5D, 08, 83, FB, E0, 77, 6F, 56, 57, 83, 3D, 94, E1, 56, 00, 00, 75, 18, E8, F8, 77, 00, 00, 6A, 1E, E8, 42, 76, 00, 00, 68, FF, 00, 00, 00, E8, 81, 28, 00, 00, 59, 59, 85, DB, 74, 04, 8B, C3, EB, 03, 33, C0, 40, 50, 6A, 00, FF, 35, 94, E1, 56, 00, FF, 15, 2C, F2, 51, 00, 8B, F8, 85, FF, 75, 26, 6A, 0C, 5E, 39, 05, E0, E9, 56, 00, 74, 0D, 53, E8, 0F, 85, 00, 00, 59, 85, C0, 75, A9, EB, 07, E8, 47, 0C, 00, 00, 89, 30, E8, 40, 0C, 00, 00, 89...
 
[+]

Entropy:
6.4163

Code size:
1.1 MB (1,171,456 bytes)

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