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KrabWeb.Repmon.dll

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module KrabWeb.Repmon.dll by Krab Web 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:
Krab Web  (signed and verified)

Version:
1.0.5398.23031

MD5:
99cec39bc8dc0376a67fe6ce8fc34897

SHA-1:
f96b96566b93fc1a91e7d1d0b3e261b6d288da9d

SHA-256:
0c106396479e46494b655a7551fcc21eae5fd09864ee106e40a55a6b7d2d4e7b

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
4/16/2024 10:58:17 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141019

Dr.Web
Trojan.BPlug.231
9.0.1.0292

ESET NOD32
Win64/BrowseFox.AU (variant)
8.10566

IKARUS anti.virus
not-a-virus:AdWare.MSIL.Kranet
t3scan.1.7.8.0

K7 AntiVirus
Trojan
13.183.13676

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3077

McAfee
BrowseFox.b
5600.6972

Qihoo 360 Security
HEUR/Malware.QVM23.Gen
1.0.0.1015

Reason Heuristics
PUP.KrabWeb.N
14.10.19.16

Sophos
Generic PUA PJ
4.98

File size:
110.2 KB (112,880 bytes)

Product version:
1.0.5398.23031

Original file name:
KrabWeb.Repmon.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\krab web\bin\plugins\krabweb.repmon.dll

Digital Signature
Signed by:
Krab Web

Authority:
VeriSign, Inc.

Valid from:
10/6/2014 6:00:00 PM

Valid to:
10/7/2015 5:59:59 PM

Subject:
CN=Krab Web, O=Krab Web, L=Santa Monica, 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:
7267FFF9DE9B65FB24D2CA9CB6A3E8F9

File PE Metadata
Compilation timestamp:
10/12/2014 7:47:51 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:hXm1AgtUsmN8Ke3RuaRpG08Thwd5jzUH8Hfq49r5zntopO+vs47ScB:hXm1Ltg8Ke3Rtu8799tB+vh1B

Entry address:
0x1B7DA

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 54, C0, 01, 00, 94, 02, 00, 00, 00, 00, 00, 00, 94, 02, 34, 00, 00, 00...
 
[+]

Entropy:
6.1160

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

Code size:
102 KB (104,448 bytes)

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