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fassurun.CompatibilityChecker.dll

fassurun

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module fassurun.CompatibilityChecker.dll by fassurun has been detected as adware by 10 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
fassurun  (signed and verified)

Version:
1.0.5387.30556

MD5:
a9a49de617bf97dc1a2ed280fa7998ab

SHA-1:
57a8bbaa29987efd0133e7b1ad829641b56afce5

SHA-256:
c9a888489d1378d5a7cb098cd7e2ed195c4e25a43e465cc50a42de65aadea6ef

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/23/2024 10:22:07 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Fasuru
2015.0.3334

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14102

Dr.Web
Trojan.BPlug.231
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

F-Prot
W32/A-db42cb3b
v6.4.7.1.166

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3164

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.10.02.06

McAfee
BrowseFox.b
5600.6990

Reason Heuristics
Adware.Yontoo.fassurun.CC
14.10.2.6

VIPRE Antivirus
Threat.4741131
33520

File size:
57.3 KB (58,648 bytes)

Product version:
1.0.5387.30556

Original file name:
fassurun.CompatibilityChecker.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\fassurun\bin\plugins\fassurun.compatibilitychecker.dll

Digital Signature
Signed by:
fassurun

Authority:
VeriSign, Inc.

Valid from:
8/20/2013 5:00:00 PM

Valid to:
8/20/2015 4:59:59 PM

Subject:
CN=fassurun, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=fassurun, 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:
6EA3A2D62F7379560AF4974E60282338

File PE Metadata
Compilation timestamp:
10/1/2014 10:58:38 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:utI8jBPqHU/4XY2SX/hv+G6RaBGRvDuNLOyStjYeSHs8GmL30eswVtJpf8yvmuah:kbqYOy/BVkactWOysEscD9htbnvgI2iW

Entry address:
0xE38A

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...
 
[+]

Entropy:
6.0731

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

Code size:
49 KB (50,176 bytes)

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