filterapp_c64.exe

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application filterapp_c64.exe by GreyGray has been detected as adware by 7 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:
GreyGray  (signed and verified)

MD5:
a1123d44059d309ff79523db4470fb09

SHA-1:
27b452d12bf779bdb3fcc6f941d096e83998cbcc

SHA-256:
c9bc9ad268dc3c3672e879995dc577585e83c0f9703faeca562c3099efc2aefb

Scanner detections:
7 / 68

Status:
Adware

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

Analysis date:
4/24/2024 2:58:04 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.LinkSwift
7.1.1

AVG
MalSign.GreyGray
2015.0.3496

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.14423

Dr.Web
Trojan.BPlug.48
9.0.1.0113

ESET NOD32
Win64/BrowseFox
8.9709

Reason Heuristics
PUP.GreyGray.N
14.8.7.20

VIPRE Antivirus
Trojan.Win32.Generic
28526

File size:
280.3 KB (287,000 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\greygray\bin\filterapp_c64.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 3:00:00 AM

Valid to:
9/20/2015 2:59:59 AM

Subject:
CN=GreyGray, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=GreyGray, 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:
23FF62A16C638B371A4AB98A8F876E8B

File PE Metadata
Compilation timestamp:
2/8/2014 2:04:00 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:uTv11Hk5pY1tEZwbH4K5lkqq+hKTI/ed+u7YiTBAi0roUDL:W11HniZ+51poJ7YiT2i0j

Entry address:
0x20030

Entry point:
48, 83, EC, 28, E8, 53, 77, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 48, 89, 5C, 24, 10, 48, 89, 7C, 24, 18, 55, 48, 8B, EC, 48, 83, EC, 60, 48, 8B, FA, 48, 8B, D9, 48, 8D, 4D, C0, 48, 8D, 15, 59, 06, 01, 00, 41, B8, 40, 00, 00, 00, E8, 8E, E4, FF, FF, 48, 8D, 55, 10, 48, 8B, CF, 48, 89, 5D, E8, 48, 89, 7D, F0, E8, 0E, 99, 00, 00, 4C, 8B, D8, 48, 89, 45, 10, 48, 89, 45, F8, 48, 85, FF, 74, 1B, F6, 07, 08, B9, 00, 40, 99, 01, 74, 05, 89, 4D, E0, EB, 0C, 8B, 45, E0, 4D, 85, DB, 0F, 44, C1, 89, 45...
 
[+]

Entropy:
6.3003

Code size:
185 KB (189,440 bytes)

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