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buenosearch.exe

Pay-by-Ads Ltd

The application buenosearch.exe by Pay-by-Ads has been detected as adware by 9 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler named Buenosearch triggered by a time event. This file is typically installed with the program Buenosearch by Pay-by-Ads Ltd which is a potentially unwanted software program. While running, it connects to the Internet address NY1WV3438 on port 80 using the HTTP protocol.
Publisher:
Pay By Ads LTD  (signed by Pay-by-Ads Ltd)

Version:
1.3.0.0

MD5:
fe1bb2a4132a20d353a14cb7a3c648d9

SHA-1:
da9eb9507b4e6e97de4a18b118f83b4d4c17939f

SHA-256:
93aea4edff625dbf1ee1416b23ee7c275ff4ca40af9f06a1dca2b4f7feae9630

Scanner detections:
9 / 68

Status:
Adware

Analysis date:
4/23/2024 11:45:27 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Paybyads
2015.0.3434

Baidu Antivirus
PUA.Win32.Montiera
4.0.3.15116

Bkav FE
W32.HfsAdware
1.3.0.6267

ESET NOD32
Win32/Toolbar.Montiera (variant)
8.9985

G Data
Win32.Adware.PayByAds
15.1.24

Malwarebytes
PUP.Optional.Buenosearch.A
v2015.01.16.01

McAfee
Artemis!FE1BB2A4132A
5600.6884

Reason Heuristics
PUP.Task.Montiera
15.1.16.1

VIPRE Antivirus
Trojan.Win32.Generic
30568

File size:
530.9 KB (543,664 bytes)

Copyright:
All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\buenosearch\buenosearch\1.3.8.2\buenosearch.exe

Digital Signature
Signed by:
Pay-by-Ads Ltd

Authority:
GoDaddy.com, Inc.

Valid from:
12/18/2013 1:45:20 PM

Valid to:
12/16/2014 3:54:24 PM

Subject:
CN=Pay-by-Ads Ltd, O=Pay-by-Ads Ltd, L=Tel aviv, C=IL

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
2B0FFF59FB803E

File PE Metadata
Compilation timestamp:
6/11/2014 1:19:10 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:MUhB0rpzYIqyiug3wotr2duUU+oag5pPAJSx9Geeq2d7N8g/0fUkHpRoeK:M6CYDpPAnq2d7NwHHHoeK

Entry address:
0x3DEF2

Entry point:
E8, BE, 83, 00, 00, E9, 89, FE, FF, FF, B8, FA, 6D, 44, 00, A3, 00, 6A, 46, 00, C7, 05, 04, 6A, 46, 00, F0, 64, 44, 00, C7, 05, 08, 6A, 46, 00, A4, 64, 44, 00, C7, 05, 0C, 6A, 46, 00, DD, 64, 44, 00, C7, 05, 10, 6A, 46, 00, 46, 64, 44, 00, A3, 14, 6A, 46, 00, C7, 05, 18, 6A, 46, 00, 72, 6D, 44, 00, C7, 05, 1C, 6A, 46, 00, 62, 64, 44, 00, C7, 05, 20, 6A, 46, 00, C4, 63, 44, 00, C7, 05, 24, 6A, 46, 00, 50, 63, 44, 00, C3, 8B, FF, 55, 8B, EC, E8, 96, FF, FF, FF, 83, 7D, 08, 00, 74, 05, E8, CF, 8E, 00, 00, DB...
 
[+]

Code size:
324 KB (331,776 bytes)

Scheduled Task
Task name:
Buenosearch

Trigger:
Time (Next runs on 23.06.2014 at 20:19)

Action:
buenosearch.exe mycmd


The file buenosearch.exe has been discovered within the following program.

Buenosearch  by Pay-by-Ads Ltd
Buenosearch is an adware web browser application that displays banner ads as well as contextual link ads that are injected in the web page. The ads are injected by the web browser plugin and will display on any web site, even those not associated or affiliated with the publisher.
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The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to NY1WV3561  (204.145.82.26:80)

TCP (HTTP):
Connects to NY1WV3438  (204.145.82.24:80)

TCP (HTTP):
Connects to NY1WV3659  (204.145.82.27:80)

TCP (HTTP):
Connects to ny1wv3280.xglobe.net  (204.145.82.20:80)

TCP (HTTP):
Connects to utils2phx.babylon.com  (198.143.133.179:80)

TCP (HTTP):
Connects to ec2-54-212-248-239.us-west-2.compute.amazonaws.com  (54.212.248.239:80)

TCP (HTTP):
Connects to cds892.frf.llnw.net  (87.248.217.70:80)

TCP (HTTP):
Connects to cds38.sin.llnw.net  (117.121.249.46:80)

TCP (HTTP):
Connects to cds313.par.llnw.net  (87.248.223.223:80)

TCP (HTTP):
Connects to cds184.par.llnw.net  (87.248.223.20:80)

TCP (HTTP):
Connects to cds105.sin.llnw.net  (117.121.249.134:80)

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