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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 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Y2Desktop.HeartbeatPlugin

Version:
1.0.0.6

MD5:
a8d36ee0e9e740d8694645d2eb5fa2eb

SHA-1:
9c40d7160900941d59c14fd470525a617b8308f0

SHA-256:
ccfe6a196fb678ed8d07a66ca6a82621b897b5b9044e4e9b239b3837fe522367

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:
4/27/2024 3:47:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.7.14.10

File size:
26.3 KB (26,912 bytes)

Product version:
1.0.0.6

Copyright:
Copyright © Yontoo LLC 2013

Original file name:
Y2Desktop.HeartBeatPlugin.dll

Language:
Language Neutral

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

Digital Signature
Signed by:
Yontoo LLC

Authority:
VeriSign, Inc.

Valid from:
1/3/2014 1:00:00 AM

Valid to:
2/3/2015 12:59:59 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:
3AED60574343204F777D640FE767E84C

File PE Metadata
Compilation timestamp:
1/8/2014 9:41:36 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
384:6g6G7iImc/nNFmVcdKFzBSm2c35vyxRh+LXC9q9udimGdrzD3eBnYPLVaLbeMlSG:VR7iImInN0Vc+BShom+LXn3eBU4ygl

Entry address:
0x667E

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:
6.0479

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

Code size:
18 KB (18,432 bytes)

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