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krabweb.purbrowse.exe

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application krabweb.purbrowse.exe by Krab Web has been detected as adware by 17 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)

MD5:
3fb5079d557237bb208d8854c647bdf7

SHA-1:
5deeb43d534e143146ad7a92f0e85140fa2d7564

SHA-256:
916671c36c7acb0a0ee8c55771d61cbb48106ec8edcb821f120ba0bea099795c

Scanner detections:
17 / 68

Status:
Adware

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

Analysis date:
4/24/2024 5:59:15 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.10.20

AVG
Generic
2015.0.3316

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141019

Clam AntiVirus
Win.Adware.Swiftbrowse-269
0.98/21411

Dr.Web
Trojan.BPlug.297
9.0.1.05190

ESET NOD32
Win32/BrowseFox.J potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Kranet
14.0.0.3076

McAfee
BrowseFox
5600.6972

NANO AntiVirus
Riskware.Win32.Kranet.dfqewc
0.28.2.62671

nProtect
Trojan-Clicker/W32.LinkSwift.294176
14.10.19.01

Reason Heuristics
PUP.KrabWeb.Q
14.10.19.16

Sophos
Browse Fox
4.98

SUPERAntiSpyware
PUP.BrowseFox/Variant
10290

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

Zillya! Antivirus
Adware.Agent.Win32.12828
2.0.0.1959

File size:
287.3 KB (294,176 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\krab web\bin\krabweb.purbrowse.exe

Digital Signature
Signed by:
Krab Web

Authority:
DigiCert Inc

Valid from:
6/8/2014 6:00:00 PM

Valid to:
6/17/2015 6:00:00 AM

Subject:
CN=Krab Web, O=Krab Web, L=Santa Monica, S=California, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0572744C4944FF55FB05A9A82A78D271

File PE Metadata
Compilation timestamp:
9/9/2014 3:54:02 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:5Uoj8th3npV3GJzfLioFSPdItvwTBwqnZgEZM:5j8thnpV2JzfLioFSPdItvwTaUM

Entry address:
0x20DEE

Entry point:
E8, 45, 84, 00, 00, E9, 95, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 88, 34, 44, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 8C, 34, 44, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, F4, 51, 00, 00, 85, C0, 75, 06, B8, F0, 35, 44, 00, C3, 83, C0, 08, C3, E8, E1, 51, 00, 00, 85, C0, 75, 06, B8, F4, 35, 44, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Entropy:
6.5997

Code size:
209 KB (214,016 bytes)

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