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crossreader.exe

Bbhcjov

CrossReader

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application crossreader.exe by CrossReader has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Nullsoft Install System installer. It is also typically executed from the user's temporary directory.
Publisher:
Lyhzmyrz  (signed by CrossReader)

Product:
Bbhcjov

Description:
Sqdxnrxphbrzk

Version:
1.1.1.1

MD5:
b35b78d1772e9f41a76c69416d61a144

SHA-1:
1f17652955017a79e9708d2c9b5b3dfd9470d71d

SHA-256:
38dd5b13cbe4b62ebd0761e198ace304783df3a9b8a878ed9b724f8dc2d86778

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:
4/18/2024 10:30:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.CrossRea.Installer (M)
16.6.16.23

File size:
3.5 MB (3,644,912 bytes)

Copyright:
Wqlvnjcmd

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\crossreader.exe

Digital Signature
Signed by:
CrossReader

Authority:
VeriSign, Inc.

Valid from:
5/12/2013 8:00:00 PM

Valid to:
4/3/2014 7:59:59 PM

Subject:
CN=CrossReader, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=CrossReader, L=Jerusalem, S=Israel, C=IL

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:
44B7FCE292B0132CDBB928BBECE361D7

File PE Metadata
Compilation timestamp:
2/19/2012 10:01:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
98304:o0Axrgz9fkqF4Q4Q2O8FPxzEhmVAGgL2:o0Apgz9fkO/TT8HEgG

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.9964  (probably packed)

Code size:
34.5 KB (35,328 bytes)

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