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817d8ef327b04731a8e364.dll

Hard Case

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 817d8ef327b04731a8e364.dll by Hard Case has been detected as adware by 19 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:
Hard Case  (signed and verified)

MD5:
ef03134e336bcc92a19ee34022d55ea5

SHA-1:
6f46646d755c265ae2ce770526698115c18a2a86

SHA-256:
a375ba2d6651f272e6372d7d1657287fc3dd2e474ca6343edf1c7ddc20311fd2

Scanner detections:
19 / 68

Status:
Adware

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

Analysis date:
4/26/2024 3:09:52 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.07.02

Avira AntiVirus
ADWARE/BrowseFox.Gen7
8.3.1.6

AVG
AdPlugin
2016.0.2910

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.151129

Bkav FE
W64.HfsAdware
1.3.0.6979

Clam AntiVirus
Win.Adware.Browsefox-217
0.98/21511

Dr.Web
Trojan.Yontoo.1858
9.0.1.0333

ESET NOD32
Win64/BrowseFox.CI potentially unwanted (variant)
9.11876

F-Prot
W64/S-2db0ff0c
v6.4.7.1.166

Malwarebytes
PUP.Optional.HardCase.A
v2015.11.29.01

McAfee
BrowseFox-FWM
5600.6566

Panda Antivirus
PUP/HardCase
15.11.29.01

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.Yontoo.HardCase (M)
15.11.29.13

Rising Antivirus
PE:Malware.Agent!6.1CAE
23.00.65.151127

Trend Micro
TROJ_GEN.R0C1C0OFM15
10.465.29

VIPRE Antivirus
Trojan.Win32.Generic
41638

Zillya! Antivirus
Adware.Agent.Win64.30
2.0.0.2262

File size:
192.2 KB (196,848 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\hard case\bin\817d8ef327b04731a8e364.dll

Digital Signature
Signed by:
Hard Case

Authority:
VeriSign, Inc.

Valid from:
1/15/2015 10:00:00 AM

Valid to:
1/16/2016 9:59:59 AM

Subject:
CN=Hard Case, O=Hard Case, 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:
7C1DB5A1A650117480FBF9A10940013A

File PE Metadata
Compilation timestamp:
1/11/2015 9:51:18 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:IqXmdzkYZFmxXTtHSJKL/z6LBL/xHnKGMHAdywn0O:bWl+GVgwn0O

Entry address:
0x11748

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 2F, 61, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 8B, C1, 49, 83, F8, 08, 72, 53, 0F, B6, D2, 49, B9, 01, 01, 01, 01, 01, 01, 01, 01, 49, 0F, AF, D1, 49, 83, F8, 40, 72, 1E, 48, F7, D9, 83, E1, 07, 74, 06...
 
[+]

Entropy:
6.1834

Code size:
128 KB (131,072 bytes)

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