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filterapp_c.exe

PacFunction

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application filterapp_c.exe by PacFunction has been detected as adware by 2 anti-malware scanners.
Publisher:
PacFunction  (signed and verified)

MD5:
e165f5b027d7d5408766e50c4133863d

SHA-1:
7f28667c96b4d540709e62a0de6e92f9184b9119

SHA-256:
4fc22c0ea4af874eed3816025d83bda313891f59e9cb9957e77e441083dc5111

Scanner detections:
2 / 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:
4/25/2024 7:18:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.PacFunction.L
14.3.25.17

VIPRE Antivirus
Adware.Agent
27712

File size:
233.3 KB (238,880 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\pacfunction\bin\filterapp_c.exe

Digital Signature
Signed by:
PacFunction

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 1:00:00 AM

Valid to:
1/10/2015 12:59:59 AM

Subject:
CN=PacFunction, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PacFunction, 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:
4DF47FADF68D2EB9B8A7923DCCC176FF

File PE Metadata
Compilation timestamp:
2/8/2014 12:05:14 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:a6rWZkP5+DGrKBWxhu4GYtvQTBR+HZgl/A99:a6rWWP5+KrKBWxhjltvQTLeZSE9

Entry address:
0x1C5FE

Entry point:
E8, 46, 69, 00, 00, E9, 95, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 74, A3, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 10, A1, 42, 00, C9, C2, 08, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05...
 
[+]

Code size:
163.5 KB (167,424 bytes)

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