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outobox.expextdll.dll

outobox

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

Version:
1.0.5589.5524

MD5:
63e88b8ec75ceda6413834e9347dd91c

SHA-1:
5892f6f7ddd5e54f85085ebd5238a33f05a0fa52

SHA-256:
60c86d8a7ced0400fe02673bd6a2288aba2595eb934dacf96c1adf13032f32f9

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:
12/23/2024 1:04:36 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.15.19

File size:
79.7 KB (81,640 bytes)

Product version:
1.0.5589.5524

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\outobox\bin\outobox.expextdll.dll

Digital Signature
Signed by:
outobox

Authority:
VeriSign, Inc.

Valid from:
9/30/2014 5:30:00 AM

Valid to:
10/31/2015 5:29:59 AM

Subject:
CN=outobox, O=outobox, 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:
3308B48A98D635F50AF4E52B1D5E6168

File PE Metadata
Compilation timestamp:
4/21/2015 3:34:35 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x37C0

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 0E, 2F, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 60, D2, 00, 10, 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, 74, D0, 00, 10, C9, C2, 08, 00, B8, 23, 72, 00, 10, A3, D8, 19, 01, 10, C7, 05, DC, 19, 01, 10, 19...
 
[+]

Entropy:
6.4027

Code size:
47 KB (48,128 bytes)

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