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BigFarm.exe

Nextup

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application BigFarm.exe by Nextup has been detected as adware by 17 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from i.greatappsfree.com.
Publisher:
Nextup  (signed and verified)

Version:
1.0.0.7

MD5:
57d358ef6d91c5d2fb02a1c2c1657145

SHA-1:
e5835961690ba3b01f2c1c48d6a49c74766a28a0

SHA-256:
cd40a1a3e9770e6bc7ccc9f2d307ef00964f55e6a5aaf026af903d26e60742b6

Scanner detections:
17 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/30/2024 10:05:40 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Downloader
2014.08.01

avast!
Win32:Dropper-gen [Drp]
2014.9-140813

AVG
Generic
2015.0.3383

Baidu Antivirus
Trojan.Win32.Verti
4.0.3.14813

Dr.Web
Adware.Downware.6396
9.0.1.05190

ESET NOD32
Win32/Verti (variant)
8.10146

G Data
Win32.Application.Nextup
14.8.24

herdProtect (fuzzy)
variant of pdfcreatorinstaller.exe (Adware)
2014.10.27.9

IKARUS anti.virus
PUA.Verti
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.181.12819

Malwarebytes
PUP.Optional.Bundle
v2014.10.27.05

McAfee
Artemis!5604D42BE6B0
5600.7039

Reason Heuristics
PUP.Nextup.H
14.8.13.18

Sophos
NextUp
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Verti
10423

Trend Micro House Call
Suspicious_GEN.F47V0717
7.2.300

VIPRE Antivirus
Rocketfuel Installer
31364

File size:
596 KB (610,336 bytes)

Product version:
1.0.0.7

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
Nextup

Authority:
COMODO CA Limited

Valid from:
5/21/2014 5:00:00 PM

Valid to:
5/22/2015 4:59:59 PM

Subject:
CN=Nextup, O=Nextup, STREET=10900 NE 8TH ST, STREET=STE 1000, L=Bellevue, S=WA, PostalCode=98004, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00C705E6F899AC0C37A4458683DB2745BB

File PE Metadata
Compilation timestamp:
7/16/2014 12:40:58 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:lBNOBHebJTxTtCvsjAF712QAuJxf+khD9MmLwtg3GU3rI/9ZhWT6KUjPs:QIJTxTtCvYAGZGREbU7IlWT6KUj0

Entry address:
0x22695

Entry point:
E8, 86, A5, 00, 00, E9, 89, FE, FF, FF, 6A, 0C, 68, 60, EE, 47, 00, E8, 55, 2C, 00, 00, 6A, 0E, E8, C6, 9E, 00, 00, 59, 83, 65, FC, 00, 8B, 75, 08, 8B, 4E, 04, 85, C9, 74, 2F, A1, 94, 7F, 48, 00, BA, 90, 7F, 48, 00, 89, 45, E4, 85, C0, 74, 11, 39, 08, 75, 2C, 8B, 48, 04, 89, 4A, 04, 50, E8, A5, B4, FF, FF, 59, FF, 76, 04, E8, 9C, B4, FF, FF, 59, 83, 66, 04, 00, C7, 45, FC, FE, FF, FF, FF, E8, 0A, 00, 00, 00, E8, 44, 2C, 00, 00, C3, 8B, D0, EB, C5, 6A, 0E, E8, 92, 9D, 00, 00, 59, C3, CC, 8B, 54, 24, 04, 8B...
 
[+]

Entropy:
6.6564

Code size:
399.5 KB (409,088 bytes)

The file BigFarm.exe has been seen being distributed by the following URL.

http://i.greatappsfree.com/stub/NEXTUP/.../BigFarm.exe

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