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19854aff7c0748599831.dll

PacFunction

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 19854aff7c0748599831.dll by PacFunction has been detected as adware by 13 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:
PacFunction  (signed and verified)

MD5:
1f0e73c4d916d5e1f79d9abee8811363

SHA-1:
579b8e137764169863fbffdec640d29087d3b3c0

SHA-256:
4b6e6a08999e67227f44f7cf4c6d83d6d5f923df59a87cff9284705f90b1092d

Scanner detections:
13 / 68

Status:
Adware

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

Analysis date:
4/26/2024 12:20:47 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.181.38

AVG
Pafun
2015.0.3311

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141024

Clam AntiVirus
Win.Adware.Swiftbrowse-546
0.98/21411

Dr.Web
Trojan.BPlug.301
9.0.1.05190

ESET NOD32
probably Win32/BrowseFox.N potentially unwanted application
7.0.302.0

McAfee
BrowseFox
5600.6967

NANO AntiVirus
Riskware.Win32.Kranet.dgstaw
0.28.2.62841

Reason Heuristics
PUP.PacFunction.U
14.10.24.17

Sophos
Browse Fox
4.98

VIPRE Antivirus
Yontoo
34218

Zillya! Antivirus
Adware.Kranet.Win32.486
2.0.0.1966

File size:
190.3 KB (194,848 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\pacfunction\bin\19854aff7c0748599831.dll

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:
10/13/2014 1:32:14 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:vP37RBT2symmM3xx0y9dH0Xhk7IQ0Li41iTzYG5vVkc7qzX9PfDqds56:vPLjrX9dH0Xhe8i41EzYGNVVGz9nDasU

Entry address:
0x11BED

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 81, 7C, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, D0, 45, 02, 10, 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, 34, 40, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Code size:
139.5 KB (142,848 bytes)

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