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heartbeat.dat

Y2Desktop.HeartbeatPlugin

Yontoo LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file heartbeat.dat by Yontoo has been detected as adware by 9 anti-malware scanners.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Y2Desktop.HeartbeatPlugin

Version:
1.0.0.6

MD5:
d6979c120dccfcb1e92d6edd23b1e607

SHA-1:
e83ca171084332809a3a7533bdf37cb4f52b4182

SHA-256:
d8449a242ee408c41888734f0fb75df436092d4e3fcb1c0bb1df8d503612c9f1

Scanner detections:
9 / 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:
4/19/2024 7:24:38 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Win.Threat.Medium
2017.0.2851

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Plugin.172
9.0.1.027

McAfee
Artemis!D0BE8D460674
5600.6507

Microsoft Security Essentials
Adware:MSIL/Yontoo
1.165.247.01

Reason Heuristics
PUP.Yontoo (M)
16.1.27.23

Trend Micro House Call
TROJ_SPNV.03JC13
7.2.27

Trend Micro
TROJ_SPNV.03JC13
10.465.27

VIPRE Antivirus
Yontoo
33774

File size:
25.8 KB (26,400 bytes)

Product version:
1.0.0.6

Copyright:
Copyright © Yontoo LLC 2013

Original file name:
Y2Desktop.HeartBeatPlugin.dll

Common path:
C:\users\{user}\appdata\roaming\yontoo\dat\heartbeat.dat

Digital Signature
Signed by:
Yontoo LLC

Authority:
VeriSign, Inc.

Valid from:
10/24/2012 2:00:00 AM

Valid to:
12/24/2013 1:59:59 AM

Subject:
CN=Yontoo LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yontoo LLC, L=Carlsbad, 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:
4A49FB7E6B0BCF398A1ACF39EA80D982

File PE Metadata
Compilation timestamp:
7/20/2013 5:17:33 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
384:5lgd0L0ZOuXgKruoFRNHYCVpcFLXC9q9u6Sm8rzzeBnYPL7acjQseMXS:5lgd04QuXAozN4BFLSfeBinQ0S

Entry address:
0x646E

Entry point:
FF, 25, 00, 20, 00, 10, 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...
 
[+]

Entropy:
6.0817

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

Code size:
17.5 KB (17,920 bytes)

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