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tubemaster 2.7.exe

Linkular LLC

The application tubemaster 2.7.exe by Linkular has been detected as adware by 20 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. The file has been seen being downloaded from fastdownloads.info and multiple other hosts.
Publisher:
Linkular LLC  (signed and verified)

MD5:
ea6dc5e4d46680082a0705a547152ef0

SHA-1:
482243a3669918357833fe0b4eeb4be4bbdc7525

SHA-256:
7aa67c6d8d50d6a8d0a974056b0ecc99d3751df0f18fe24dccedb61d5418fbcf

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/27/2024 2:12:02 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Linkular.D.21
7.11.171.116

avast!
Rootkit-gen [Rtk]
140908-2

AVG
Linkular
2015.0.3356

Comodo Security
ApplicUnwnt
19469

Dr.Web
Adware.PowerPack.4
9.0.1.05190

ESET NOD32
Win32/AdWare.Linkular.AJ application
7.0.302.0

F-Prot
W32/Linkun.A (exact, not disinfectable)
4.6.5.141

G Data
NSIS.Application.Linkular
14.9.24

K7 AntiVirus
Adware
13.183.13319

Kaspersky
not-a-virus:AdWare.Win32.Linkun
15.0.0.494

Malwarebytes
PUP.Optional.Linkular
v2014.09.09.06

McAfee
PowerPack
5600.7012

NANO AntiVirus
Riskware.Win32.Linkular.dbpxeq
0.28.2.61942

Reason Heuristics
PUP.Linkular.N
14.9.9.17

Rising Antivirus
PE:Trojan.Win32.Generic.16B41D8D!380902797
23.00.65.14907

Sophos
PUA.Linkular
5.05

SUPERAntiSpyware
Adware.BrowseFox/Variant
10369

Trend Micro House Call
TROJ_GE.595AEB66
7.2.252

Vba32 AntiVirus
Signed-Downware.Linkular
3.12.26.3

VIPRE Antivirus
Threat.4150696
32938

File size:
447.3 KB (458,000 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\tubemaster 2.7.exe

Digital Signature
Signed by:
Linkular LLC

Authority:
GoDaddy.com, Inc.

Valid from:
9/6/2013 2:09:02 AM

Valid to:
9/5/2014 9:14:15 PM

Subject:
CN=Linkular LLC, O=Linkular LLC, L=Redondo Beach, S=California, C=US

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:
27C70F809279A3

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:XLfU3sc3Xy9uTk4FF1g38Hx1iCJXOyC1aNJjrlIpGPyX:XLfU3N3i9uTk4rH1fiaNhRIpGPyX

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file tubemaster 2.7.exe has been seen being distributed by the following 2 URLs.

http://fastdownloads.info/ds-exe/483/.../tubemaster 2.7.exe

http://fastdownloads.info/ds/483/?installer_file_name=tubemaster 2.7.exe&product_name=TubeMaster 2.7&product_download_url=http://pf.phpnuke.org/s/1400615671/it/5/.../53049-665129-tubemaster.exe

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