home

Appstein.exe

Appstein

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

Version:
1.0.5422.22213

MD5:
63b41a9194281f5dbd481ab84c9252f9

SHA-1:
4af9f8f97de967d78dc1e4456fecf7e65e7d9da9

SHA-256:
3b12740b03456dac0ec4597b5cc133b210880ce89b475a9a2f1a942af0ac5fd8

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:
5/12/2024 5:06:29 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.26.10

File size:
512.8 KB (525,080 bytes)

Product version:
1.0.5422.22213

Original file name:
Appstein.exe

Common path:
C:\Program Files\appstein\bin\tmpa440.tmp

Digital Signature
Signed by:
Appstein

Authority:
VeriSign, Inc.

Valid from:
5/2/2014 2:00:00 AM

Valid to:
5/3/2015 1:59:59 AM

Subject:
CN=Appstein, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Appstein, 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:
06773AB7EC074782D28F824F3C5632C1

File PE Metadata
Compilation timestamp:
11/5/2014 9:20:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7FE06

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
504 KB (516,096 bytes)

Remove Appstein.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.