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opticalsurf.expext.exe

Optical Surf

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

Version:
1.0.6242.39491

MD5:
bdd4e80c0056c9483a54a28813449a1d

SHA-1:
b1f2e16b0d4415d5dc02b6897dd76c5c7c69f281

SHA-256:
e98db5ab99b313cb8cf652a46a81ba4eb1c985fe6f7ec8464e1ad5b293fcc7e8

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:
11/27/2024 5:02:29 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.14.21

File size:
112.7 KB (115,448 bytes)

Product version:
1.0.6242.39491

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\optical surf\bin\opticalsurf.expext.exe

Digital Signature
Signed by:
Optical Surf

Authority:
VeriSign, Inc.

Valid from:
12/17/2014 1:00:00 AM

Valid to:
12/18/2015 12:59:59 AM

Subject:
CN=Optical Surf, O=Optical Surf, 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:
373EFE200D490F79B1E099C7683F2A7C

File PE Metadata
Compilation timestamp:
11/4/2015 5:16:00 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x74C7

Entry point:
E8, AE, 47, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, AC, 43, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, CC, 40, 41, 00, C9, C2, 08, 00, B8, BF, C7, 40, 00, A3, D0, 9A, 41, 00, C7, 05, D4, 9A, 41, 00, B5, BE, 40, 00, C7, 05, D8, 9A, 41, 00, 69, BE, 40, 00, C7, 05, DC, 9A, 41, 00, A2, BE, 40, 00, C7, 05...
 
[+]

Code size:
74.5 KB (76,288 bytes)

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