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klippal_setup.exe

Klip Pal

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application klippal_setup.exe by Klip Pal has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address api.yontoo.com on port 80 using the HTTP protocol.
Publisher:
Klip Pal  (signed and verified)

MD5:
025e7cc2450aa203d880d7dd356406f5

SHA-1:
2e5090c48182212d2f624e9a4f7a0af4c256cf32

SHA-256:
d60a14302a7c082f6a9c35951075493cd0efd769614a0be91a78f1fd2644f213

Scanner detections:
11 / 68

Status:
Adware

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

Analysis date:
4/25/2024 2:04:57 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
BrowseFox
2015.0.3305

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141030

Comodo Security
Application.Win32.Ciorik.RWLZ
19799

ESET NOD32
Win64/BrowseFox (variant)
8.10561

Malwarebytes
PUP.Optional.KlipArt.A
v2014.10.30.07

McAfee
Artemis!025E7CC2450A
5600.6961

Qihoo 360 Security
HEUR/Malware.QVM03.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.KlipPal.N
14.10.30.19

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.141028

SUPERAntiSpyware
Adware.BrowseFox/Variant
10267

VIPRE Antivirus
Yontoo
33912

File size:
2.3 MB (2,442,256 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\klippal_setup.exe

Digital Signature
Signed by:
Klip Pal

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 8:00:00 PM

Valid to:
8/5/2015 7:59:59 PM

Subject:
CN=Klip Pal, O=Klip Pal, 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:
59A8A4CF2048A90F9AE8754A98A645E4

File PE Metadata
Compilation timestamp:
12/5/2009 5:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:4/fj8OaeUMYwVz0gTGdFmeSTHzB3kDqr+77NMqoJYsWqJE+PDmDsa5:OfoObVz0Loa2iVMjSs9JrPDy5

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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