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air150.exe

Greentree Applications SRL

The application air150.exe by Greentree Applications SRL has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. The file has been seen being downloaded from ftp-stahuj.centrum.cz and multiple other hosts. While running, it connects to the Internet address hosted-by.leaseweb.com on port 80 using the HTTP protocol.
Publisher:
Greentree Applications SRL  (signed and verified)

MD5:
dd9d83cc9ce3e1720aec65223f1423b1

SHA-1:
58c506d93fa108d2279f0801e3f1cd5c7ab36981

SHA-256:
9ceefecce252e088c26ff005f422f1df482e82fe05e6bcc70026cb8353715ddf

Scanner detections:
4 / 68

Status:
Potentially unwanted

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
12/25/2024 3:36:17 AM UTC  (today)

Scan engine
Detection
Engine version

Boost by Reason
PUP.GreentreeApplicationsSRL.G
13.11.24.9

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
7.9190

Malwarebytes
PUP.Optional.Spigot.A
v2013.11.24.09

Reason Heuristics
PUP.Optional.GreentreeApplicationsSRL.G
14.3.1.1

File size:
4.6 MB (4,873,520 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\air150.exe

Digital Signature
Signed by:
Greentree Applications SRL

Authority:
VeriSign, Inc.

Valid from:
6/5/2012 8:00:00 PM

Valid to:
6/23/2013 7:59:59 PM

Subject:
CN=Greentree Applications SRL, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Greentree Applications SRL, L=Bucharest, S=Bucharest, C=RO

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:
44292664DD6C4B0D023AA98E8ADC6FE1

File PE Metadata
Compilation timestamp:
4/10/2010 8:19:31 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:kOi674dvx9sc6p/ClO92//gGLDxvLjVaptvFRQ5efZRlkki8dP:k4EscNlOotldappHQ2Hl9P

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.9979

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file air150.exe has been seen being distributed by the following 11 URLs.

http://ftp-stahuj.centrum.cz/dl/f86cf62be758b0b61169aee682535e50/51c9d6c1/stahuj/download/software/secured/y/youtube-downloader/.../YTDSetup.exe

http://dld-premium.tomsguide.fr/87092be8811512c05dc8dfc800c53d84/50eebde3/dld/3/.../YTDSetup.exe

http://download-euro.oldapps.com/.../YTDSetup_396.exe

http://dl.cdn.chip.eu/downloads/.../YTD3.9.6.exe

http://cdn.adlrma.com/downloads/software/.../YTDSetup.exe

http://s5872.chomikuj.pl/File.aspx?e=Be-4pTO8Z_nVple28FRyL5z4iY1qhXWnDxCiafSvvs3RO7w6DDAXbO0yapxZEGuHQoW7RLl1LT9iswhUsBKfAConm2tqzooGyrYs4kHtvqE4ml3118CbCAD3mdyLeNPVfkhQREgxBrbjcC8CrqX5u6q5pRafPt2qYhxBpX9paBVtOMPDRlkQKqRNP3ZiIXHB&pv=2

http://www.youtubedownloadersite.com/.../YTDSetup.exe

http://download.youtubedownloadersite.com/.../YTDSetup.exe

http://mujsoubor.cz/download/download-managery/youtube-downloader/tv504uhv0lo0sdtsa9f0p9tl00/.../youtube-downloader_3.9.6.exe

http://dl.cdn.chip.de/downloads/.../YTD396Setup.exe

http://software-files-a.cnet.com/s/software/12/87/06/.../YTDSetup.exe

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

TCP (HTTP):
Connects to hosted-by.leaseweb.com  (95.211.187.107:80)

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