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bigfarm.exe

Wecan Software

This is the Verti bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application bigfarm.exe by Wecan Software has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the Verti Setup installer. The file has been seen being downloaded from inst.download-sw.net and multiple other hosts.
Publisher:
Wecan Software  (signed and verified)

Version:
1.0.0.3

MD5:
f9371208d3fc7d61b2ed0267871df3ee

SHA-1:
1dab1800dd7c5981a6698f9d40960905867b572e

SHA-256:
04fb72c37631df60f3add6238afb87c9509a2a209fd1667176f8a021b0517783

Scanner detections:
8 / 68

Status:
Adware

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/26/2024 11:52:28 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.InstallMonster
2014.09.12

AVG
Rollnon
2015.0.3344

ESET NOD32
Win32/Verti (variant)
8.10389

herdProtect (fuzzy)
variant of audacityinstaller.exe (Adware)
2014.11.22.16

McAfee
Artemis!79DA512AD361
5600.7004

Reason Heuristics
PUP.WecanSoftware.H
14.9.26.13

Trend Micro House Call
Suspicious_GEN.F47V0906
7.2.260

VIPRE Antivirus
Rocketfuel Installer
31954

File size:
237.3 KB (243,016 bytes)

Product version:
1.0.0.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Verti Setup

Language:
English (United States)

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

Digital Signature
Signed by:
Wecan Software

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 7:00:00 PM

Valid to:
7/23/2015 6:59:59 PM

Subject:
CN=Wecan Software, O=Wecan Software, L=Bellevue, S=Washington, 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:
1FD8A9E8CBFDDB2724A69194C505EF77

File PE Metadata
Compilation timestamp:
7/31/2014 11:09:12 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:noupBAM+B58yaU+7BS2GCk+K5z+UDIQR69uoSrrhUleF:VFc58yaU+7BSDCk+K5JDakoSnhUleF

Entry address:
0x14FC50

Entry point:
60, BE, 00, D0, 51, 00, 8D, BE, 00, 40, EE, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, 73, D1, 14, 00, 57, 83, C3, 04, 53, 68, 4B, 2C, 03, 00, 56, 83, C3, 04, 53, 50, C7, 03, 03, 00, 02, 00, 90, 90, 90, 90, 90, 55, 57, 56, 53, 83, EC, 7C, 8B, 94, 24, 90, 00, 00, 00, C7, 44, 24, 74, 00, 00, 00, 00, C6, 44, 24, 73, 00, 8B, AC, 24, 9C, 00, 00, 00, 8D, 42, 04, 89, 44, 24, 78, B8, 01, 00, 00, 00, 0F, B6, 4A, 02, 89, C3, D3, E3, 89, D9, 49, 89, 4C, 24, 6C, 0F, B6, 4A...
 
[+]

Entropy:
7.9001  (probably packed)

Code size:
208 KB (212,992 bytes)

The file bigfarm.exe has been seen being distributed by the following 4 URLs.

http://inst.download-sw.net/dl/547/29526/6109/.../

http://inst.download-sw.net/dl/547/29262/6109/.../

http://i.download-sw.net/stub/WECAN/.../BigFarm.exe

http://inst.download-sw.net/dl/547/29262/6109/.../

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